Medical research has shown that repeated wrist extensions beyond 20 degrees increase the risk of wrist and hand injuries. Each of 24 students at a university used a proposed new computer mouse design, and while using the mouse, each student's wrist extension was recorded. Data consistent with summary values given in a paper are given here. 26 28 25 25 27 25 25 24 24 24 25 28 22 25 24 28 27 26 31 25 28 27 27 25 USE SALT (a) Use these data to estimate the mean wrist extension for people using this new mouse design using a 90% confidence interval. (Round your answers to three decimal places.) (b) What assumptions are required in order for it to be appropriate to generalize your estimate to the population of students at this university? No, we cannot generalize the estimate to any population as we have less than 30 students. Yes, the assumption would have to be made that the 24 students in the study formed a random sample of people in the country. Yes, the assumption would have to be made that the 24 students in the study formed a random sample of students at this university. No, we can generalize the estimate to the population of students at this university. Yes, the assumption that the 24 students in the study formed a random sample of students at all universities. To the population of all university students? O Yes, the assumption would have to be made that the 24 students in the study formed a random sample of people in the country. No, we can generalize the estimate to the population of all university students. Yes, the assumption that the 24 students in the study formed a random sample of students at all universities. Yes, the assumption would have to be made that the 24 students in the study formed a random sample of students from this university. No, we cannot generalize the estimate to any population as we have less than 30 students. (c) Based on your interval from part (a), do you think there is reason to believe that the mean wrist extension for people using the new mouse design is greater than 20 degrees? Explain why or why not. O Yes, the confidence interval contains 20, so the results of the study would be very unlikely if the population mean wrist extension were as low as 20. Yes, the entire confidence interval is above 20, so the results of the study would be very unlikely if the population mean wrist extension were as low as 20. O No, the entire confidence interval is below 20, so the results of the study would be very likely if the population mean wrist extension were greater than 20. O No, the confidence interval contains 20, so the results of the study would be very likely if the population mean wrist extension were greater
Medical research has shown that repeated wrist extensions beyond 20 degrees increase the risk of wrist and hand injuries. Each of 24 students at a university used a proposed new computer mouse design, and while using the mouse, each student's wrist extension was recorded. Data consistent with summary values given in a paper are given here. 26 28 25 25 27 25 25 24 24 24 25 28 22 25 24 28 27 26 31 25 28 27 27 25 USE SALT (a) Use these data to estimate the mean wrist extension for people using this new mouse design using a 90% confidence interval. (Round your answers to three decimal places.) (b) What assumptions are required in order for it to be appropriate to generalize your estimate to the population of students at this university? No, we cannot generalize the estimate to any population as we have less than 30 students. Yes, the assumption would have to be made that the 24 students in the study formed a random sample of people in the country. Yes, the assumption would have to be made that the 24 students in the study formed a random sample of students at this university. No, we can generalize the estimate to the population of students at this university. Yes, the assumption that the 24 students in the study formed a random sample of students at all universities. To the population of all university students? O Yes, the assumption would have to be made that the 24 students in the study formed a random sample of people in the country. No, we can generalize the estimate to the population of all university students. Yes, the assumption that the 24 students in the study formed a random sample of students at all universities. Yes, the assumption would have to be made that the 24 students in the study formed a random sample of students from this university. No, we cannot generalize the estimate to any population as we have less than 30 students. (c) Based on your interval from part (a), do you think there is reason to believe that the mean wrist extension for people using the new mouse design is greater than 20 degrees? Explain why or why not. O Yes, the confidence interval contains 20, so the results of the study would be very unlikely if the population mean wrist extension were as low as 20. Yes, the entire confidence interval is above 20, so the results of the study would be very unlikely if the population mean wrist extension were as low as 20. O No, the entire confidence interval is below 20, so the results of the study would be very likely if the population mean wrist extension were greater than 20. O No, the confidence interval contains 20, so the results of the study would be very likely if the population mean wrist extension were greater
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Answer correctly
![Medical research has shown that repeated wrist extensions beyond 20 degrees increase the risk of wrist and hand injuries. Each of 24 students at a
university used a proposed new computer mouse design, and while using the mouse, each student's wrist extension was recorded. Data consistent with
summary values given in a paper are given here.
26
22
28 25 25 27 25 25
25
24 28 27 26
USE SALT
31
24 24 24 25 28
25
28 27 27 25
(a) Use these data to estimate the mean wrist extension for people using this new mouse design using a 90% confidence interval. (Round your
answers to three decimal places.)
(b) What assumptions are required in order for it to be appropriate to generalize your estimate to the population of students at this university?
No, we cannot generalize the estimate to any population as we have less than 30 students.
Yes, the assumption would have to be made that the 24 students in the study formed a random sample of people in the country.
O Yes, the assumption would have to be made that the 24 students in the study formed a random sample of students at this university.
No, we can generalize the estimate to the population of students at this university.
Yes, the assumption that the 24 students in the study formed a random sample of students at all universities.
To the population of all university students?
Yes, the assumption would have to be made that the 24 students in the study formed a random sample of people in the country.
No, we can generalize the estimate to the population of all university students.
Yes, the assumption that the 24 students in the study formed a random sample of students at all universities.
Yes, the assumption would have to be made that the 24 students in the study formed a random sample of students from this university.
No, we cannot generalize the estimate to any population as we have less than 30 students.
(c) Based on your interval from part (a), do you think there is reason to believe that the mean wrist extension for people using the new mouse design
is greater than 20 degrees? Explain why or why not.
O Yes, the confidence interval contains 20, so the results of the study would be very unlikely if the population mean wrist extension were as low
as 20.
Yes, the entire confidence interval is above 20, so the results of the study would be very unlikely if the population mean wrist extension were
as low as 20.
No, the entire confidence interval is below 20, so the results of the study would be very likely if the population mean wrist extension were
greater than 20.
No, the confidence interval contains 20, so the results of the study would be very likely if the population mean wrist extension were greater
than 20.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F39b68dce-bd7c-4c5e-b900-ab5a6a938b3b%2F2a1cef17-05ef-42fe-989a-91f6fd841b45%2Fxbpifp_processed.png&w=3840&q=75)
Transcribed Image Text:Medical research has shown that repeated wrist extensions beyond 20 degrees increase the risk of wrist and hand injuries. Each of 24 students at a
university used a proposed new computer mouse design, and while using the mouse, each student's wrist extension was recorded. Data consistent with
summary values given in a paper are given here.
26
22
28 25 25 27 25 25
25
24 28 27 26
USE SALT
31
24 24 24 25 28
25
28 27 27 25
(a) Use these data to estimate the mean wrist extension for people using this new mouse design using a 90% confidence interval. (Round your
answers to three decimal places.)
(b) What assumptions are required in order for it to be appropriate to generalize your estimate to the population of students at this university?
No, we cannot generalize the estimate to any population as we have less than 30 students.
Yes, the assumption would have to be made that the 24 students in the study formed a random sample of people in the country.
O Yes, the assumption would have to be made that the 24 students in the study formed a random sample of students at this university.
No, we can generalize the estimate to the population of students at this university.
Yes, the assumption that the 24 students in the study formed a random sample of students at all universities.
To the population of all university students?
Yes, the assumption would have to be made that the 24 students in the study formed a random sample of people in the country.
No, we can generalize the estimate to the population of all university students.
Yes, the assumption that the 24 students in the study formed a random sample of students at all universities.
Yes, the assumption would have to be made that the 24 students in the study formed a random sample of students from this university.
No, we cannot generalize the estimate to any population as we have less than 30 students.
(c) Based on your interval from part (a), do you think there is reason to believe that the mean wrist extension for people using the new mouse design
is greater than 20 degrees? Explain why or why not.
O Yes, the confidence interval contains 20, so the results of the study would be very unlikely if the population mean wrist extension were as low
as 20.
Yes, the entire confidence interval is above 20, so the results of the study would be very unlikely if the population mean wrist extension were
as low as 20.
No, the entire confidence interval is below 20, so the results of the study would be very likely if the population mean wrist extension were
greater than 20.
No, the confidence interval contains 20, so the results of the study would be very likely if the population mean wrist extension were greater
than 20.
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 1 images
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Recommended textbooks for you
![MATLAB: An Introduction with Applications](https://www.bartleby.com/isbn_cover_images/9781119256830/9781119256830_smallCoverImage.gif)
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
![Probability and Statistics for Engineering and th…](https://www.bartleby.com/isbn_cover_images/9781305251809/9781305251809_smallCoverImage.gif)
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
![Statistics for The Behavioral Sciences (MindTap C…](https://www.bartleby.com/isbn_cover_images/9781305504912/9781305504912_smallCoverImage.gif)
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
![MATLAB: An Introduction with Applications](https://www.bartleby.com/isbn_cover_images/9781119256830/9781119256830_smallCoverImage.gif)
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
![Probability and Statistics for Engineering and th…](https://www.bartleby.com/isbn_cover_images/9781305251809/9781305251809_smallCoverImage.gif)
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
![Statistics for The Behavioral Sciences (MindTap C…](https://www.bartleby.com/isbn_cover_images/9781305504912/9781305504912_smallCoverImage.gif)
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
![Elementary Statistics: Picturing the World (7th E…](https://www.bartleby.com/isbn_cover_images/9780134683416/9780134683416_smallCoverImage.gif)
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
![The Basic Practice of Statistics](https://www.bartleby.com/isbn_cover_images/9781319042578/9781319042578_smallCoverImage.gif)
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
![Introduction to the Practice of Statistics](https://www.bartleby.com/isbn_cover_images/9781319013387/9781319013387_smallCoverImage.gif)
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman