In an effort to increase sales, a company is considering a new training program for its sales department. An advertisement claims that the training program leads to a mean increase of $5000 in monthly sales. To study the program's effectiveness, the company selects 20 sales representatives, randomly assigning 10 to the training program and 10 to serve as control. On average, the representatives who participated in the training brought in $8231 more in monthly sales than the control, and the 95% confidence interval for the difference in means was (2799, 13663) dollars. Does this confidence interval provide convincing statistical evidence that the mean increase in sales is different from the advertised value?
A) No, because $0 is outside the interval the results are not statistically significant.
B) No, because $5000 is included in the interval the results not statistically significant.
C) Yes, because $0 is outside the interval the results are statistically significant.
D) Yes, because the representatives were randomly assigned and $8231 is different from $5000.
E) Yes, because $8231 is inside the confidence interval the results are accurate.
Answers
Answer:
B) No, because $5000 is included in the interval the results not statistically significant.
Explanation:
The confidence interval for the difference in means is (2799, 13663) dollars, which means that we are 95% confident that the true difference in means falls between these two values.
Since the value $5000 falls within this interval, we cannot reject the null hypothesis that the true mean increase in sales is $5000.
In other words, the results are not statistically significant and we cannot conclude that the training program leads to a different mean increase in sales than the advertised value.
Hope this helps!
Related Questions
5. Tires should be replaced when
Answers
Answer:
They are flat or get used a lot
Please mark brainlist if this helps!
True or False: If a message is disrupted, digitized signals are able to pick it up more easily at
the exact point the message dropped.
Answers
Answer:true
Explanation:
What is the difference between a Clinical Psychologist & a Physiatrist?
Answers
Answer:
Explanation:
Psychiatrists have a medical degree along with advanced qualifications from residency and a specialty in psychiatry. They use talk therapy, medications, and other treatments to treat people with mental health conditions. While, psychologists have an advanced degree, such as a Ph.D. or PsyD.
Basically, you can say psychiatrists are trained, medical doctors, While psychologists are not.
the rivalry between students to be the high school valedictorian is an example of
Answers
Answer:
competition
Explanation:
The rivalry between students to be the high school valedictorian is an example of competition
2: The pristine lake could be found high in the mountains, far away from the gritty metropolis.
A. pure
B. forgotten
C. mysterious
D. frozen
Answers
Answer:
A.) pure
The word "pristine" means in perfect condition, clean, and unspoiled. Therefore, in this context, the word "pristine" is used to describe the lake as being pure, untouched, and unspoiled, and free from pollution, dirt, or contamination. The other options, "forgotten," "mysterious," and "frozen," do not accurately describe the condition of the lake as portrayed in the sentence.
Explain three ways that agriculture has changed mankind's social structure.
Answers
Answer:
Humans were nomads. Their wandering was mainly in search of food and shelter. When they found that certain places had an abundance of food – plant food or animals for hunting, they stayed on. They observed the plants, their growth and when these food sources diminished, they grew plants themselves, from the seeds they collected. This is how agriculture came about.
When humans stopped their nomadic ways and stayed together, it paved the way for formation of the human social structure. Hierarchies were established in due course.
Describe Weather in 3 to 4 lines.......
Answers
Answer:
Weather is the state of the atmosphere,
Weather refers to day-to-day temperature and precipitation activity.
Weather is driven by air pressure, temperature, and moisture differences between one place and another.
Weather is one of the fundamental processes that shape the Earth.
While reviewing his budget, Andre calculated his variable and total expenses for last month:
variable expenses: $2,863.09
total expenses: $4,630.16
Write the expense equation to represent Andre’s fixed expenses. Don’t include the $ symbol.
Answers
Total expenses - Variable expenses = Fixed expenses
4,630.16 - 2,863.09 = Fixed expenses
1,767.07 = Fixed expenses
Fixed expenses = 1,767.07
Read this excerpt from the story Terrible Things. “Oh, we can’t swim,” the rabbits said quickly. “And we can’t swim,” the porcupines said. The frogs dived deep in the forest pool and ripples spiraled like corkscrews on the dark brown water. The little fish darted this way and that in streaks of silver. But the Terrible Things threw their terrible nets down into the depths and they dragged up the dripping frogs and the shimmering fish and carried them away." Which two excerpts are examples of imagery that help create a mental picture of what is happening in this story?
* . ripples spiraled like corkscrews on the dark brown water.
*But the Terrible Things threw their terrible nets down . . .
*“Oh, we can’t swim,” the rabbits said quickly.
*“And we can’t swim,” the porcupines said.
Answers
Answer:
"Ripples spiraled like corkscrews on the dark brown water."
"The little fish darted this way and that in streaks of silver."
Explanation:
Imagery is describing how something feels, look, smells, or tastes like. The author does this so that they can help us picture what they want us to in their book.
In those two sentences from the story Terrible Things, the author described the ripples ar corkscrews, which is describing how the movement of the water looked like: corkscrews. And the author also described the color of the water: brown, and the color of the fish: silver and how they were streaks because they were moving so fast.
Need help with Discussion Question 3
Answers
Answer:
The Gram-Schmidt process and the modified Gram-Schmidt process are two numerical methods for computing an orthonormal basis for a given set of vectors. An orthonormal basis is a set of vectors that are mutually orthogonal (perpendicular) and have a length of 1.
The Gram-Schmidt process involves iteratively orthogonalizing the original set of vectors, creating a new orthonormal basis. The modified Gram-Schmidt process is similar, but instead of orthogonalizing each vector with respect to all previous vectors, it orthogonalizes each vector with respect to the immediately preceding vector.
One advantage of the Gram-Schmidt process is that it is straightforward and easy to implement. However, it is prone to numerical instability when dealing with very large or very small vectors, which can lead to significant errors in the resulting orthonormal basis.
The modified Gram-Schmidt process is more stable numerically than the Gram-Schmidt process, making it less prone to errors. Additionally, it can be more efficient computationally. However, it is also more complex to implement than the Gram-Schmidt process, and it can be more difficult to analyze its numerical properties.
In summary, the Gram-Schmidt process is a simple and widely used method for computing an orthonormal basis, but it can suffer from numerical instability. The modified Gram-Schmidt process is a more stable and efficient alternative, but it is also more complex to implement and analyze.
Dave Ryan is the owner and operator of Ryan's Arcade. At the end of its accounting period, December 31, Ryan's Arcade has assets of $450,000 and liabilities of $125,000. Using the accounting equation, determine the following amounts: a) Owner's equity as of December 31 of the current year. $fill in the blank 1 b) Owner's equity as of December 31 at the end of the next year, assuming that assets increased by $65,000 and liabilities increased by $35,000 during the year. $fill in the blank 2
Answers
Answer:
325000
355000
Explanation:
Owner's equity formula: assets - liabilities
Question one:
450000-125000= 325000
Question two:
(450000+65000)-(125000+35000)= 355000
a) Stockholders' equity = $411,690
b) Stockholders' equity = $477,930
Dave Ryan is the owner and operator of Ryan's Arcade. At the end of its accounting period, December 31, Ryan's Arcade has assets of $450,000 and liabilities of $125,000.
What is accounting equation?Accounting equation is defined as Assets = Liabilities + Equity. If t the end of its accounting period, December 31, Ryan's Arcade has assets of $632,000 and liabilities of $220,310, the Stockholders' equity as of December 31 of the current year would be determined as follows:
$632,000 = $220,310 + Equity
Stockholders' equity = $632,000 - $220,310
Stockholders' equity = $411,690
If assets increased by $84,040 and liabilities increased by $17,800 during the next year, then Stockholders' equity would be determined as follows $632,000 + $84,040 = $220,310 + $17,800 + Equity
$716,040 = $238,110 + Equity
Stockholders' equity = $477,930
Owner's equity as of December 31 at the end of the next year, assuming that assets increased by $65,000 and liabilities increased by $35,000 during the year.
Therefore, Dave Ryan is the owner and operator of Ryan's Arcade. At the end of its accounting period, December 31, Ryan's Arcade has assets of $450,000 and liabilities of $125,000.
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Which statement about ctc payments is false
Answers
A statement that is false about Child Tax Care payments is A. The child for whom the credit is claimed must be under the age of 15 at the end of the year.
What is a Child Tax Care payment?The Child Tax Care (CTC) payment is done to help Americans with children to be able to access funds that they can use to take care of their children and families.
For a family to be able to access this payment, they would need to ensure that their children are qualifying children according to the definition by the Internal Revenue Services. This does not include a requirement that the child should be aged 15 or less. The full credit payment that one can get for their child is $1,000.
Options for this question include;
A. The child for whom the credit is claimed must be under the age of 15 at the end of the year.B. The credit is subject to phase-out based on the taxpayer's AGI.C. The full credit for a child who qualifies is $1,000.D. The child for whom the credit is claimed must meet the definition of a qualifying child.Find out more on Child Tax Care at https://brainly.com/question/28920239
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HELP TIMED QUESTION 30 POINTS
Answers
Answer:
a
is this a ap exam? XD
cause i have the same thing soon
1 Freedom of assembly implies freedom of
A. choice.
B. speech.
C. association.
D. the press.
Answers
Answer: C
Explanation: If you are able to assemble freely, that means you can associate with anyone you want. Hope this helps! :)
x + 6 less-than negative 8
Answers
The solution of the inequality is x < -14, the graph of the solution set is on the image at the end.
How to solve the inequality?Here we have the following inequality:
"x + 6 less-than negative 8"
Wich can be written as follows:
x + 6 < -8
So the thing in the left side is strictly smaller than -8.
To solve this for x, we need to isolate the variable in one of the sides of the inequality, so we can just add 6 in both sides, then we will get:
x + 6 - 6 < -8 - 6
x < -14
That is the solution of the inequality, the graph of the solution set is on the image at the end.
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Complete question:
"Solve and graph the inequality:
x + 6 less-than negative 8"
Describe ONE example of Chinese culture tradition that withstood
the spread of Buddhism during the period e 1200-c. 145
Answers
What are muscles, tendons, joints and ligaments part of?
Answers
Answer and Explanation:
These parts of the body are part of the skeletal (musculoskeletal) system, which consists of the skeleton of the body (all the bones), the muscles, tendons, joints, ligaments, cartilage, and other tissues that help with binding and supporting tissues and organs together.
#teamtrees #PAW (Plant And Water)
The human musculoskeletal system (also known as the human locomotor system, and previously the activity system is an organ system that gives humans the ability to move using their muscular and skeletal systems. The musculoskeletal system provides form, support, stability, and movement to the body.
It is made up of the bones of the skeleton, muscles, cartilage,tendons, ligaments, joints, and other connective tissue that supports and binds tissues and organs together. The musculoskeletal system's primary functions include supporting the body, allowing motion, and protecting vital organs.The skeletal portion of the system serves as the main storage system for calcium and phosphorus and contains critical components of the hematopoietic system.
This system describes how bones are connected to other bones and muscle fibers via connective tissue such as tendons and ligaments. The bones provide stability to the body. Muscles keep bones in place and also play a role in the movement of bones. To allow motion, different bones are connected by joints. Cartilage prevents the bone ends from rubbing directly onto each other. Muscles contract to move the bone attached at the joint.
There are, however, diseases and disorders that may adversely affect the function and overall effectiveness of the system. These diseases can be difficult to diagnose due to the close relation of the musculoskeletal system to other internal systems. The musculoskeletal system refers to the system having its muscles attached to an internal skeletal system and is necessary for humans to move to a more favorable position. Complex issues and injuries involving the musculoskeletal system are usually handled by a physiatrist (specialist in physical medicine and rehabilitation) or an orthopaedic surgeon.
What determines the number of representatives each U.S. State receives in the House of Representatives?
The physical size of the state
b
The percentage of Democrats
c
The latest U.S. Census population figures
d
The number of registered voters
e
The economic importance of the state
Answers
Answer:
C. The latest U.S. Census population figures
Explanation:
The Census taken in each state every ten years tells us the population of a state and the demographics about that population. The HOR has a set number of 435 members total, but the number of members from each state fluctuates depending on the # of people living in the state.
Feel free to ask questions! Live, laugh, and love!
The House of Representatives is the lower house that makes the bicameral legislature. The number of representatives is based on the census report on the population of the US. Thus, option C is correct.
What is a census report?A census report is a collection and survey report that represents the population estimation of the people that lives in a particular area and is recorded at an interval of times.
The census report tells about the demographic population once in ten years and is used to determine the number of representatives in the lower house. As the number of the population decides the number of the states that will be represented.
Therefore, option c. the US census report determines the HOR representatives.
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what changes have you noticed in social media
Answers
Answer:
Social media changes daily, social media changes depending on the audience. People used to see social media as more of a negative place where hate would be spread. but over the years it has become increasingly positive.
what has shaped most of the objects in the universe?
Answers
Answer:
gravity
Explanation:
Whose information must be populated within GMS upon starting with EY?
Answers
Professionals at the manager level and above are required to disclose all securities they possess or that members of their immediate family own in the GMS.
What is GMS?Mobile Services are a group of exclusive software programmes and API services that are frequently pre-installed on Android-powered gadgets including smartphones, tablets, and smart TVs.
All securities held by a professional at the management level or higher, or by a member of their immediate family, must be disclosed.
Another reason why GMS is important is because it gives you access to many apps you probably use every day.
Thus, this information must be populated within GMS upon starting with EY.
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__________ is a result of light from distant objects falling short of the retina, causing distant objects to appear blurry.
A. Farsightedness
B. Macular degeneration
C. Glaucoma
D. Nearsightedness
Answers
Farsightedness (I am fairly sure of this because I have it lol)
Explanation: (if you’re interested)
If your cornea/lens is not correctly shaped then the light doesn’t reflect super well, and thus there isn’t an accurate depiction of what you’re seeing being reflected to your retina.
Hope this helps! Good luck with your studies!
Complete the sentence with the correct psycological term.
An employee receives an award for outstanding performance on the job. The correct term for the award is
Answers
What is the role of the budget constraint in utility maximization process?
Answers
Answer:
Utility Maximizing RulesBudget constraints — These constraints determine the opportunity set boundary, that is, all possible combinations of goods and services that a consumer can afford given the price and income.Explanation:
if it helped uh please mark me a brainliest :-))which of the following events is not typically included in fitness evaluations
A- push ups
B- shot put
C- endurance run
D- standing long jump
Answers
Answer:
UHH SHOT PUT IS AN OLYMPIC BASED EXERCISE/CONTEST AND NOT WHAT YOU NEED TO BE FOCUSING ON TO HELP YOUR BODY.
Explanation:
B IS THE ANSWER
The ______ is to the eye as the ________ is to the ear.
A- retina, cochlea
B- lens, eardrum
C-retina, oval window
D- lens, cochlea
Answers
Explanation:
the lens is to the eye as the cochlea is to the ear
The retina is the light-sensitive tissue at the back of the eye that is responsible for converting light into electrical signals that are sent to the brain. The cochlea is the part of the inner ear that is responsible for converting sound waves into electrical signals that are sent to the brain. Just as the retina is to the eye, the cochlea is to the ear. The lens is a transparent structure in the eye that focuses light onto the retina, while the eardrum is a membrane in the middle ear that vibrates in response to sound waves. The oval window is a small opening in the middle ear that leads to the cochlea.
once a tree has been cut down to be processed into lumber the next step is to
Answers
Answer:
turn trees into lumber
Explanation:
got it right on the test!
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Hope It Help!
which of the following is the least appropriate thesis
Answers
Answer:
The popularity of automobiles has led to the construction of super high ways
of human afe aware Are you rights violation happening your community Please expla in Your answear.
Answers
Answer. yes, I am aware of the human rights violation happening in our community or the society and we all need to know about that and take action accordingly. Explanation: We need to be aware of human rights abuses in our community. There are many people in our community who cannot practice their religion or ritual.
If you are the wrong person for the job what are some things you could do? (This is a college experience class question)
Answers
Answer:
Discuss your education or training. You could explain something you wish you had done during your education or something you would like to learn now to improve your skills or qualifications for the job. For example, you could say that you would have taken more courses in a certain field or pursued a certification or a degree that would have prepared you better for the job.
Explain when you missed an opportunity. You could describe a situation where you had a chance to pursue a different career path or a different role that would have suited you better, but you did not take it for some reason. For example, you could say that you turned down an offer from another company or declined a promotion because of fear, doubt or lack of confidence.
Address a career misstep. You could admit that you made a wrong move in your career and explain why and how it happened. For example, you could say that you accepted the job without doing enough research on the company or the role, or that you followed someone else’s advice instead of listening to your own intuition.
Talk about switching fields. You could express your interest in changing your career direction and exploring other options that align with your passions and strengths. For example, you could say that you would like to transition from one industry to another, or from one function to another, and explain what steps you would take to make it happen.
Say you wouldn’t change anything. You could also take a positive approach and say that even though you are the wrong person for the job, you do not regret your decision and you see it as a learning opportunity. For example, you could say that you have gained valuable skills and insights from the job, and that you have learned what kind of work environment and culture suits you best.
Explanation: