the test for two populations means (independent samples with equal variances ass

Question

the test for two populations means (independent samples with equal variances assumes ) has degrees of freedom equal to the the test for two populations means (independent samples with equal variances assumes ) has degrees of freedom equal to the the test for two populations means (independent samples with equal variances assumes ) has degrees of freedom equal to the Font Paragraph Questions 17-23 refer to an experiment summarized as follows Source SS Between 60 Within 1000 Total 1060 15 0.75 17,In the above experiment, the total number of groups equals 18 In the above experiment, the total number of subjects equals 19 Given the results for the above experiment, the null hypothesis (Please use F a. 3 d 54 a. 50 b 54 c 55 d 108 Table in the a) should be retained b) probably should be retained 20 Interaction occurs whenever the effects of one factor are

Explanation / Answer

The test for two populations means (independent samples with equal variances assumes ) has degrees of freedom equal to the n1 + n2 - 2.

17)

Here, df for between = k -1 = 4

So, k = 4 + 1 = 5.

In the above experiment, the total number of groups equals

c. 5.

18)

Here, df for total = n -1 = 54

So, n = 54 + 1 = 55.

In te above experiment, the total number of subjects equals

c. 55.

19)

Given the results for the above experiment, the null hypothesis

a) should be retained.

20)

Interaction occurs whenever the effects of one factor are

c) not consistent.

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