A Consumer Interest Group Is Interested in Comparing the Speed

A consumer interest group is interested in comparing the speed of four different desktop printers;four different documents are used for the experiment.Each test consists of randomly assigning one printer to one of the documents.The document is printed and the time to print in seconds is recorded.Each printer/document combination is tested.Calculate
,
And the F-ratio.Can you reject
Using α = 0.05? The ANOVA table is listed below.

A)

= 1.216;

=0.210;F-Ratio = 5.790;No,do not reject

Using α = 0.05.
B)

= 1.621;

=0.263;F-Ratio = 6.163;Yes,reject

Using α = 0.05.
C)

= 1.621;

=0.210;F-Ratio = 7.719;Yes,reject

Using α = 0.05.
D)

= 1.216;

=0.263;F-Ratio = 4.641;No,do not reject

Using α = 0.05.
E)

= 1.621;

=0.242;F-Ratio = 6.698;Yes,reject

Using α = 0.05.