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  3. listed below are student evaluation ratings ofâ�

Listed below are student evaluation ratings of​ courses, where a rating of 5 is for​ \"excellent.\"...

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Statistics

Listed below are student evaluation ratings of​ courses, where arating of 5 is for​ \"excellent.\" The ratings were obtained at oneuniversity in a state. Construct a confidence interval using a 95​%confidence level. What does the confidence interval tell about thepopulation of all college students in the​ state? 4.0​, 3.0​, 4.0​,4.8​, 3.1​, 4.5​, 3.3​, 4.9​, 4.5​, 4.4​, 4.3​, 3.8​, 3.4​, 4.0​,3.9

Answer & Explanation Solved by verified expert
3.8 Ratings (478 Votes)
Given n 15 005From the data 399 s 05922Since population standard deviation is unknown the tcritical 2tail for 005 for df n 1 14 is 2145The Confidence Interval    See Answer
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