Homework Help is Here – Start Your Trial Now!
Math
Statistics
The waiting times (in minutes) of a random sample of 22 people at a bank have a sample standard deviation of 4.7 minutes. Construct a confidence interval for the population variance o² and the population standard deviation o. Use a 90% level of confidence. Assume the sample is from a normally distributed population. What is the confidence interval for the population variance o2? () (Round to one decimal place as needed.) Interpret the results. Select the correct choice below and fill in the answer box(es) to complete your choice. (Round to one decimal place as needed.) O A. With 10% confidence, you can say that the population variance is greater than. O B. With 90% confidence, you can say that the population variance is less than O C. With 90% confidence, you can say that the population variance is between and O D. With 10% confidence, you can say that the population variance is between and What is the confidence interval for the population standard deviation o? OD (Round to one decimal place as needed.) Interpret the results. Select the correct choice below and fill in the answer box(es) to complete your choice. (Round to one decimal place as needed.) O A. With 90% confidence, you can say that the population standard deviation is greater than minutes. O B. With 10% confidence, you can say that the population standard deviation is between minutes and minutes. O C. With 90% confidence, you can say that the population standard deviation is between and minutes O D. With 10% confidence, you can say that the population standard deviation is less than minutes.

The waiting times (in minutes) of a random sample of 22 people at a bank have a sample standard deviation of 4.7 minutes. Construct a confidence interval for the population variance o² and the population standard deviation o. Use a 90% level of confidence. Assume the sample is from a normally distributed population. What is the confidence interval for the population variance o2? () (Round to one decimal place as needed.) Interpret the results. Select the correct choice below and fill in the answer box(es) to complete your choice. (Round to one decimal place as needed.) O A. With 10% confidence, you can say that the population variance is greater than. O B. With 90% confidence, you can say that the population variance is less than O C. With 90% confidence, you can say that the population variance is between and O D. With 10% confidence, you can say that the population variance is between and What is the confidence interval for the population standard deviation o? OD (Round to one decimal place as needed.) Interpret the results. Select the correct choice below and fill in the answer box(es) to complete your choice. (Round to one decimal place as needed.) O A. With 90% confidence, you can say that the population standard deviation is greater than minutes. O B. With 10% confidence, you can say that the population standard deviation is between minutes and minutes. O C. With 90% confidence, you can say that the population standard deviation is between and minutes O D. With 10% confidence, you can say that the population standard deviation is less than minutes.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
See similar textbooks
icon
Related questions
Topic Video
Question
The waiting times (in minutes) of a random sample of 22 people at a bank have a sample standard deviation of 4.7 minutes. Construct a confidence interval for the population variance o? and the population standard deviation o. Use a 90% level of confidence. Assume the sample is from a normally distributed population. What is the confidence interval for the population variance o?? , ) (Round to one decimal place as needed.) Interpret the results. Select the correct choice below and fill in the answer box(es) to complete your choice. (Round to one decimal place as needed.) O A. With 10% confidence, you can say that the population variance is greater than B. With 90% confidence, you can say that the population variance is less than C. With 90% confidence, you can say that the population variance is between and D. With 10% confidence, you can say that the population variance is between and What is the confidence interval for the population standard deviation o? , ) (Round to one decimal place as needed.) Interpret the results. Select the correct choice below and fill in the answer box(es) to complete your choice. (Round to one decimal place as needed.) O A. With 90% confidence, you can say that the population standard deviation is greater than minutes. B. With 10% confidence, you can say that the population standard deviation is between minutes and minutes. C. With 90% confidence, you can say that the population standard deviation is between and minutes. D. With 10% confidence, you can say that the population standard deviation is less than minutes.
Transcribed Image Text:The waiting times (in minutes) of a random sample of 22 people at a bank have a sample standard deviation of 4.7 minutes. Construct a confidence interval for the population variance o? and the population standard deviation o. Use a 90% level of confidence. Assume the sample is from a normally distributed population. What is the confidence interval for the population variance o?? , ) (Round to one decimal place as needed.) Interpret the results. Select the correct choice below and fill in the answer box(es) to complete your choice. (Round to one decimal place as needed.) O A. With 10% confidence, you can say that the population variance is greater than B. With 90% confidence, you can say that the population variance is less than C. With 90% confidence, you can say that the population variance is between and D. With 10% confidence, you can say that the population variance is between and What is the confidence interval for the population standard deviation o? , ) (Round to one decimal place as needed.) Interpret the results. Select the correct choice below and fill in the answer box(es) to complete your choice. (Round to one decimal place as needed.) O A. With 90% confidence, you can say that the population standard deviation is greater than minutes. B. With 10% confidence, you can say that the population standard deviation is between minutes and minutes. C. With 90% confidence, you can say that the population standard deviation is between and minutes. D. With 10% confidence, you can say that the population standard deviation is less than minutes.
Expert Solution
steps

Step by step

Solved in 2 steps

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Hypothesis Tests and Confidence Intervals for Means
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
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…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
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
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman
SEE MORE TEXTBOOKS