Question: Given the following partial ANOVA Table: (10 Points)

Source of

Variation Sum of Squares df Mean Square F value

Treatments 320 2 160 8

Error 180 9 20

Total 500 11

Assume a .05 level of significance.

1. What are the null and alternative hypotheses?
2. How many treatments are there?
3. What is the critical value of F at the 5% level of significance. Indicate in words when you would reject the null hypothesis.
4. What is the mean square for treatment and the mean square for error?

Solutions: The MST = 320/2 = 160

e. Compute the value of F. Do you Reject or Fail to Reject the Null Hypothesis? State you conclusion.

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