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Author Question: The following are the test scores of two samples of students from University A and University B on a ... (Read 380 times)

isam

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on: Mar 25, 2023

Question 1

The final examination grades of random samples of students from three different classes are shown below.

Class A

Class B

Class C

92

91

85

85

85

93

96

90

82

95

86

84


At the α = .05 level of significance, is there any difference in the mean grades of the three classes?



Question 2

The following are the test scores of two samples of students from University A and University B on a national statistics examination. Develop a 95% confidence interval estimate for the difference between the mean scores of the two populations.

 

 

University A
Scores

University B
Scores

86

83

n

64

87

σ

6

8

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by isam on Mar 25, 2023

senorfranco

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Reply #1 on: Mar 25, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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isam

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Reply 2 on: Mar 25, 2023
YES! Correct, THANKS for helping me on my review

irishcancer18

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Reply 3 on: Yesterday
Wow, this really help

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