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 95% confidence level. What does the confidence interval tell about the population of all college students in the state? 4.0, 2.9, 3.8, 4.9, 3.1, 4.1, 3.4, 4.4, 4.3, 4.5, 4.6, 3.7, 3.4, 4.0, 4.0 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. A.We are confident that 95% of all students gave evaluation ratings between _ and __. (Round to one decimal place as needed.) B.We are 95% 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

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.3: Measures Of Spread

Problem 1GP

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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 95% confidence level. What does the confidence interval tell about the population of all college students in the state?

4.0,

2.9,

3.8,

4.9,

3.1,

4.1,

3.4,

4.4,

4.3,

4.5,

4.6,

3.7,

3.4,

4.0,

4.0

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.

A.We are confident that 95% of all students gave evaluation ratings between _____ and ______.

(Round to one decimal place as needed.)

B.We are 95% 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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