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Two samples of size 25 and 35 are independently drawn from two normal populations where the unknown population variances are assumed to be equal. The number of degrees of freedom of the equal-variances t test statistic is: A. 58 B. 60 C. 35 D. 59 In testing the null hypothesis ?0:?1−?2=0, if H0, if ?0 is false, the test could lead to: A. either a Type I error or a Type II error B. a Type I error C. a Type II error D. none of the above

Two samples of size 25 and 35 are independently drawn from two normal populations where the unknown population variances are assumed to be equal. The number of degrees of freedom of the equal-variances t test statistic is: A. 58 B. 60 C. 35 D. 59 In testing the null hypothesis ?0:?1−?2=0, if H0, if ?0 is false, the test could lead to: A. either a Type I error or a Type II error B. a Type I error C. a Type II error D. none of the above

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Two samples of size 25 and 35 are independently drawn from two normal populations where the unknown population variances are assumed to be equal. The number of degrees of freedom of the equal-variances t test statistic is:
A. 58
B. 60
C. 35
D. 59

In testing the null hypothesis ?0:?1−?2=0, if H0, if ?0 is false, the test could lead to:
A. either a Type I error or a Type II error
B. a Type I error
C. a Type II error
D. none of the above

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