Question 12.37

37. Missing Values. Part of an ANOVA table follows.

Source of
variation		 Sum of
square		 Degrees of
freedom		 Mean
squares
Treatment — 4 10 1.0
Error — — —
Total 440
  1. Find all four missing values in the table and fill in the blanks.
  2. Perform the appropriate hypothesis test using .

12.1.37

(a) Missing values are in red.

Source of
variation		 Sum of
squares		 Degrees of
freedom		 Mean
square		 -test
statistic
Treatments SSTR = 40 MSTR = 10
Error SSE = 400 MSE = 10
Total SST = 440

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