Question

By looking at the given x, y data pairs, determine if either ratio estimation, regression estimation, difference estimation, or all of them can be used in estimating the y variable population total. Remember to look at the requirements for using each of these techniques and justify your answers based on these requirements.

Sample	x	y
1	12	60
2	16	87
3	18	91
4	10	50
5	17	94
6	11	62
7	14	67
8	13	64
9	20	106
10	19	102
11	16	85
12	18	92
13	11	57
14	9	46
15	11	61
16	18	96
17	16	79
18	14	73
19	15	78
20	13	70
21	12	66
22	10	55
23	14	73
24	16	83
25	17	88

Answer 1