Test: Exam 2 (Chapters 11-116) Time Remaining: 0:53:40 Questions 10 Part of an A

Question

Test: Exam 2 (Chapters 11-116) Time Remaining: 0:53:40 Questions 10 Part of an ANOVA table is shown below. 12. 13. 14 5 Source of Variation Between Treatments Within Treatments (Error) Sum of Degrees Mean Squares of Freedom Square 64 15. Total 100 16. At a 5% level of significance, if we want to determine whether or not the means of the populations are equal, the conclusion of the test is that 18. 19 20 21 a. some means will never be equal. b. all means are equal. c. not all means are equal. d. some means may be equal. · 24 o-leon Key

Explanation / Answer

12)

here at 5% level and (4,18) df ; critical value =2.92

as test statistic is higher than critical value

option C is correct

13)degree if freedom =697-17-1=679

option B

14)

option D is correct

Source SS Df MS F between 64 4 16 8 within 36 18 2 total 100

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