Question

Justify the selection of the specific data analysis method of inferential statistics for this data set.

Shift	Stress
1	2
1	5
1	7
1	8
1	5
1	4
1	3
1	6
1	5
1	4
2	4
2	5
2	3
2	6
2	16
2	11
2	9
2	8
2	12
3	7
3	13
3	10
3	16
3	11
3	11
3	7
3	3
3	10
3	15
3	12

Answer 1

One Way ANONVA

H0: There is no significance difference among the stress means of 3 shifts
H0: There is significance difference among the stress means of 3 shifts
Let the los be alpha = 5%

From the given data

S.No.	Shift 1	Shift 2	Shift 3
1	2	4	7
2	5	5	13
3	7	3	10
4	8	6	16
5	5	16	11
6	4	11	11
7	3	9	7
8	6	8	3
9	5	12	10
10	4		15
				Total
Total: Ti.	49	74	115	238
ni=	10	9	11	30
Ti.^2/ni	240.1	608.4444	1202.273	2050.817

Thus we conclude that There is significance difference among the stress means of 3 shifts