Question
Consider the following 2 random and independent samples of students grades in 2 statistics class and assume both populations are normally distributed: TTH MW 18.42
Consider the following 2 random and independent samples of students grades in 2 statistics class and assume both populations are normally distributed:
TTH MW
18.42 21.58
23.42 23.67
24.92 22.67
19.42 13.75
22.92 22.5
18.42 20.58
20.33 22
16.5 20.92
18.92 8.67
22.25 23.67
17.33 21.92
22.42 22.5
24.42 20.17
16.17 22.42
18.42 23.17
22.5 16.67
22.83
17.75
a. Test for equality of the two population variances against a one-sided alternative at a= 0.10
b. use the results of part a to test for equality of the two population means at a= 0.02.
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Numerical Analysis
Authors: Richard L. Burden, J. Douglas Faires
9th edition
538733519, 978-1133169338, 1133169333, 978-0538733519
