Posted by **Stuart** on Sunday, March 8, 2009 at 8:46pm.

Need help with these questions: I have already answered 27 out of the 30 accept these last three:

8. Given the significance level 0.01, the F-value for the degrees of freedom, d.f. = (7,3) is.

A) 8.45

B) 27.67

C) 5.89

D) 14.62

9. One-way ANOVA is performed on three independent samples with: n1 = 6, n2 = 7 , and n3 = 8. The critical value obtained from the F-table for this test at the 2.5% level of significance equals:

A) 3.55

B) 39.45

C) 4.56

D) 29.45

10. A randomized block design ANOVA has five treatments and four blocks. The computed test statistic (value of F) is 4.35. With a 0.05 significance level, the appropriate table value and conclusion will be:

A) 14.37: accept the null hypothesis

B) 3.11: accept the null hypothesis

C) 3.26: accept the null hypothesis

D) 3.26: reject the null hypothesis

- Statistics -
**MathGuru**, Sunday, March 8, 2009 at 9:58pm
All of these questions require you to read the F-distribution table for the values stated. I'll give you a few hints and see if you can take it from there.

For #8:

It's either A or B. Read the table using the degrees of freedom and significance level as guidelines.

For #9:

Degrees of freedom is 2, 18 (for a one-way Anova). Check the table.

For #10:

If the test statistic exceeds the critical value, reject the null. If the test statistic does not exceed the critical value, then do not reject the null.

I hope this will help get you started.

- Statistics -
**Anonymous**, Thursday, May 14, 2015 at 12:58pm
a

b

c

d

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