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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 362 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
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isam

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Reply 2 on: Mar 25, 2023
:D TYSM

zacnyjessica

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Reply 3 on: Yesterday
Gracias!

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