申論題

二、簡答題(一大題五個子題,每子題兩分,合計10分)
 To test for any difference in the number of hours between breakdowns for three machines, 5 observations for each machine were collected randomly. The ANOVA was conducted, and the result from the Excel Output is listed below. Please fill the blanks on the answer sheet.

2. What is the value of②?