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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 -

    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 -


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