Question

Below is raw data of number of days men and women tried out a bed before buying it. Beds varied in levels of softness, ranging from soft, medium, and hard.

		Factor A: Bed Softness
		Soft	Medium	Hard
Factor B: Gender	Male	4 9 11 T=24	8 12 13 T=33	18 17 15 T=50
	Female	2 6 4 T=12	9 10 17 T=36	6 8 4 T=18

G=173                   ΣX^2=2075

6a) What is SS total?

6b) What is df total?

6c) SS between?

6d) df between?

6e) SS within?

6f) df within?

6g) SS bed softness?

6h) df bed softness?

6i) SS gender?

6j) df gender?

6k) SS interaction?

6l) df interaction?

Answer 1

In excel we perform anova test.

ss total = 412.778

Df total =17

Ss within= 98.66667

Df within= 12

Ss bed softness =117.4444

Df bed softness =2

Ss gender=93.38889

Df gender=1

Ss interaction =102.7778

Df interaction =2