# What is the MSW for… | Good Grade Guarantee!

11.Fill in the blank. The Bonferroni method for making m pairwise comparisons adjusts the significance level α to .

(a)m α(b)α /m(c)α /2m

12.Fill in the blank. An ANOVA is applied to data consisting of 4 independent random samples each of size 7. The 95th percentile of the appropriate F-distribution is __.

(a)4.72

(b)3.01

(c)3.40

(d)none of the above answers is correct

13.Fill in the blank. An ANOVA will be used to test if the average rental costs for 1-bedroom apartments for 4 cities are equal. A random sample of 16 1-bedroom apartments from each city will be selected. Respectively, the degrees of freedom for the numerator and denominator of the F-statistic are _.

(a)4 and 16

(b)4 and 64

(c)3 and 16

(d)3 and 60

(e)none of the above answers is correct

14.Fill in the blanks. An ANOVA was used to compare the mean test scores for students taught with various teaching methods. If the F-statistic was based on 4 and 95 degrees of freedom, then there were _ teaching methods being compared and a total of __ students in the study.

(a)5 and 100

(b)4 and 95

(c)3 and 98

(d)5 and 99

(e)none of the above answers is correct

15.If you conduct an ANOVA for two independent variables [e.g., gender (male, female) by region (urban, suburban, rural), this ANOVA could be described by any of the following EXCEPT ________.

(a)multifactorial

(b)two-by-three

(c)one-way

(d)two-way

16.To test whether or not there is a difference between three treatments, random allocation was used to assign 5 subjects to each of the three treatments. The sample standard deviations for the three treatment groups were 14, 17, and 18. What is the MSW for these data?

Questions 17 through 21 are based on the following ANOVA table.

17.Fill in the blank. The number of populations being compared is _ .

(a) 1

(b)2

(c)3

(d)4

(e)none of the above answers is correct

18.Fill in the blank. The total number of observations, n, is _ .

(a)16

(b)18

(c)19

(d)30

(e)none of the above answers is correct

19.Fill in the blank. The mean square between groups, MSB, is _ .

(a)90

(b)30

(c)180

(d)480

(e)none of the above answers is correct

20.Fill in the blank. The observed F-test statistic value is _ .

(a)2

(b)3

(c)30

(d)16

(e)none of the above answers is correct

21.Fill in the blank. The p-value for the test of equality of the means is _ .

(a)0.0783

(b)0.1565

(c)0.10

(d)less than 0.05

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