Discussion:
Q1: The critical value for this problem should have dfN and dfD of what?
ANOVA TABLE
Source Sum of Squares Degrees of Freedom
Between 22 2
Within(error) 39 34
Total 61
Q2: A statistician believes that the SD of the weights of firemen is less tha 25 pounds. A sample of 20 firemen had a SD of 23.2 pounds. Assume that the variable is normally distributed with alpha equals 0.05. What is the critical value?