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? 3.6, 3.0, 4.0, 4.6, 2.8, 4.4, 3.5, 4.4, 4.2, 4.1, 4.0, 3.6, 3.5, 4.0, 3.7 O What is the confidence interval for the population mean u? O

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

A: This question requires more accuracy, Hence I will use excel to solve this question.…

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Q: Listed below are student evaluation ratings of courses, where a rating of 5 is for "excellent." The…

A: Given ratings : { 3.9,3.0,3.8,4.8,3.0,4.4,3.7,4.8,4.1,3.9,4.6,3.6,3.2,4.1,4.1 } N = 15 Degree of…

Q: ngs were obtained at one university in a state. Construct a confidence inte fidence level. What does…

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A: total number of female students =181 number of students who are left handed=15

Q: Listed below are student evaluation ratings of courses, where a rating of 5 is for "excellent." The…

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Q: What Z score would be used to construct a 90% confidence level? Is it ... a. 1.65 b. 2.33 c.…

A: Confidence Level = 90 Significance Level = α = (100-90)% = 0.1 Critical value = z* = 1.65   […

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

A: We know that, Confidence interval for population mean is given by, (X bar + - t* sigma/√n) Where X…

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A: Given confidence level =80%

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

A: Given Data, 3.5​,2.8​,3.9​,4.6​,2.8​,4.0​,3.2​,4.7​,4.2​,4.0​,4.3​,3.7,3.4​,3.9​,3.7 n=15 From above…

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

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Q: n a survey of 2111 adults in a recent​ year, 1244 say they have made a New​ Year's…

A: For 90 % CI , α =0.1 Zα2= 1.645 (+NORMSINV(0.05) --Excel function)) ___________________ For 95% CI ,…