Author Question: The following are the test scores of two samples of students from University A and University B on a ... (Read 251 times)

isam · **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

senorfranco · **Reply #1 on:** Mar 25, 2023

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