Need Help with these 3 Questions, please. QUESTION 3 The appropriate test for an

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Need Help with these 3 Questions, please.

QUESTION 3 The appropriate test for analysis of variance is a(n) O Z test t test O F test OAny of the above can be used. 2 points Saved QUESTION 4 2 points Save Answer Consider the partial ANOVA table shown below: Source of Variation Between Treatments Within Treatments (Error) Total DF SS MS F 64 100 The conclusion from this test (let -05) is that the means Oare equal. O may be equal. O are not equal. None of these alternatives is correct. QUESTION 5 2 points Save Answer A required condition for using an ANOVA procedure on data from several populations is that the sampled populations are all uniform. sampled populations have equal means sampled populations have equal variances Oselected samples are dependent on each other

Explanation / Answer

3) analysis of variance ---- F test

4) here from above table:

for 4 and 18 degree of freedom at 0.05 level criical value F= 2.928

as test stat F is higher than critical value

means are not equal.

5)

sample populations have equal variances

df ss MS F between 4 64 16 8 with in 18 36 2 total 22 100

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