Perform an analysis of variance using alpha 05 and follow t

Perform an analysis of variance using alpha = 0.5 and follow
this with a multiple comparisons analysis if appropriate

9. The article The Effects of a Pneumatic Stool and a One Legged Stool on Lower Limb Joint Load and Muscular Activity During Sitting and Rising\" (Ergonomics, 1993: 519-535) gives the accompanying data on the effort required of a subject to arise from four different types of stools (Borg scale). Perform an analysis of variance using 05, and fol low this with a multiple comparisons analysis if appropriate. Subject 1 2 3 4 5 6 7 89x 1 12 10 7 78 9 8 7 9 8.56 ype * of Stool 3 12 13 13 10 8 1 12 8 10 10.78 4 10 12 9 97 10 1 78 9.22

Solution