What is the confidence interval for the population mean µ? <μ< (Round to two decimal places as needed.) What does the confidence interval tell about the population of all college students in the state? Select the correct choice below and, if necessary, fill in the answer box(es) to complete your choice. O A. We are confident that 98% of all students gave evaluation ratings between (Round to one decimal place as needed.) OB. We are 98% confident that the interval from and to actually contains the true mean evaluation rating.
What is the confidence interval for the population mean µ? <μ< (Round to two decimal places as needed.) What does the confidence interval tell about the population of all college students in the state? Select the correct choice below and, if necessary, fill in the answer box(es) to complete your choice. O A. We are confident that 98% of all students gave evaluation ratings between (Round to one decimal place as needed.) OB. We are 98% confident that the interval from and to actually contains the true mean evaluation rating.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Listed below are student evaluation ratings of courses, where a rating of 5 is for "excellent." The ratings were obtained at one university in a state. Construct a confidence interval using a 98%
confidence level. What does the confidence interval tell about the population of all college students in the state?
4.0, 3.1, 4.2, 4.7, 3.1, 4.0, 3.4, 4.6, 4.7, 4.0, 4.1, 3.5, 3.1, 4.1, 4.0
What is the confidence interval for the population mean μ?
(Round to two decimal places as needed.)
What does the confidence interval tell about the population of all college students in the state? Select the correct choice below and, if necessary, fill in the answer box(es) to complete your choice.
<ft<
A. We are confident that 98% of all students gave evaluation ratings between
(Round to one decimal place as needed.)
and
B. We are 98% confident that the interval from to actually contains the true mean evaluation rating.
(Round to one decimal place as needed.)
C. The results tell nothing about the population of all college students in the state, since the sample is from only one university.
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