SOLUTION: The following is a partial ANOVA table. Use the .05 significance level. (a) How many treatments are there? (b) What is the total sample size? (d) From the information

Question 360539: The following is a partial ANOVA table. Use the .05 significance level.
(a) How many treatments are there?
(b) What is the total sample size?
(d) From the information given above, fill in the blanks in ANOVA table below. Calculate the value of F also. (Round the values to the nearest whole number.)
Source Sum of
Squares Mean
Square
Treatment 2
Error 20
Total 500 11
(c) What is the critical value of F? (Round your answer to 2 decimal places.) .

(e) What is your decision regarding null hypothesis for the 0.05 significance level?
Decision: (Click to select)RejectDo not reject the null hypothesis

Answer by reddsfoxi(1) (Show Source): You can put this solution on YOUR website!
(a) 2+1=3
(b)500+1=501
(c)the critical value of F is F(0.95, df1=2, df2=20) =3.49 (check F table)
(d) H0: mu1=mu2=mu3 (null hypothesis)
Ha: at least one of the means is different. (alternative hypothesis)
(e)We reject the null hypothesis. The means are not all equal. At least one is different.

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