Question

An operations analyst in a sheriff's department studied how frequently their emergency helicopter was used during the past year, by time of day (shift 1 2AM-8AM, shift 2 8AM-2PM, shift 3 2PM-8PM, shift 4 8PM-2AM) Random samples of size 16 for each shift were obtained. The dependent variable (freq) and the categorical variable (shift) .

Use transformation if necessary using the Box-Cox method that satisfies one way ANOVA model (State whether your transformation is valid or not). The data is attached.

freq	shift
4	1
3	1
2	1
3	1
4	1
4	1
3	1
6	1
5	1
4	1
2	1
4	1
4	1
2	1
3	1
4	1
7	2
6	2
4	2
6	2
7	2
2	2
9	2
5	2
5	2
9	2
3	2
8	2
6	2
4	2
7	2
6	2
12	3
6	3
14	3
12	3
10	3
9	3
12	3
17	3
7	3
6	3
12	3
11	3
6	3
13	3
10	3
14	3
7	4
15	4
17	4
20	4
13	4
11	4
16	4
25	4
11	4
24	4
18	4
21	4
16	4
19	4
19	4
23	4

Answer 1