3.A researcher wishes to compare preferences of type of exercises on stress levels of participants. She selected 24 participants who indicated their preferred exercise. Stress scores of all participants are given below:

Walking	Cycling	Running	Swimming
7	2	5	7
6	4	6	8
7	3	4	9
4	1	5	7
5	2	6	8
7	4	4
		5

1. State your null and alternate hypothesis for this research question (2)
2. Calculate F-ratio by hand and prepare the summary table (Steps needs to be mentioned) (6)
3. State your result and conclusion using as .05 and .01 (2)