Question 12.35

35. Missing Values. Part of an ANOVA table for an analysis of variance involving 7 groups for a study follows; each sample contained 10 data values.

Source of
variation		 Sum of
square		 Degrees of
freedom		 Mean
squares
Treatment 120 — — —
Error 315 — —
Total —
  1. Find all six missing values in the table and fill in the blanks.
  2. Perform the appropriate hypothesis test using .

12.1.35

(a) Missing values are in red.

Source of
variation		 Sum of
squares		 Degrees of
freedom		 Mean
square
Treatments 120 6 20 4
Error 315 63 5
Total 435

(b) . : Not all the population means are equal. Reject if the . . Since the , we reject . There is evidence that not all the population means are equal.