Below is a data set on various measures of 20 regions of a country. The murder rate is per 100,000, high school graduation rate is in %, income is per capita income in dollars, illiteracy rate is per 1000, and life expectancy is in years. Find a regression model for life expectancy with three predictor variables by trying all four of the possible models. Complete parts a) through d). Click on the icon to view the data table. a) Which model appears to do the best? Select the correct choice below and fill in the answer boxes to complete your choice. (Round to three decimal places as needed.) O A. Life Exp = (Murder + (HSGrad + B. Life Exp = OC. Life Exp = O D. Life Exp = + + + Murder + + HSGrad + Income + Income + -(Murder + (HSGrad + C... Income Illiteracy Illiteracy Illiteracy

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Region
1
23456
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Murder
15.1
11.3
7.8
10.1
10.3
6.8
3.1
6.2
10.7
13.9
6.2
5.3
10.3
7.1
2.3
4.5
10.6
13.2
2.7
8.5
HS
Grad
41.3
66.7
58.1
Income
3624
6315
4530
39.9
62.6
63.9
56.0
54.6
52.6
40.6
61.9
59.5
52.6
52.9
59.0
4628
59.8 4669
38.5
3712
42.2
3545
54.7
3694
52.3
5299
3378
5114
4884
5248
4809
4815
4091
4963
4119
5107
4458
Illiteracy Life Exp
2.1
1.5
1.8
1.9
1.1
0.5
1.1
0.9
1.3
2.0
1.9
0.6
0.9
0.7
0.4
0.6
1.6
2.8
0.7
0.9
69.05
69.31
70.28
70.66
71.71
72.06
72.48
70.06
70.66
68.54
73.60
71.87
70.14
70.88
72.56
72.58
70.10
68.76
70.24
70.22
Transcribed Image Text:Region 1 23456 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Murder 15.1 11.3 7.8 10.1 10.3 6.8 3.1 6.2 10.7 13.9 6.2 5.3 10.3 7.1 2.3 4.5 10.6 13.2 2.7 8.5 HS Grad 41.3 66.7 58.1 Income 3624 6315 4530 39.9 62.6 63.9 56.0 54.6 52.6 40.6 61.9 59.5 52.6 52.9 59.0 4628 59.8 4669 38.5 3712 42.2 3545 54.7 3694 52.3 5299 3378 5114 4884 5248 4809 4815 4091 4963 4119 5107 4458 Illiteracy Life Exp 2.1 1.5 1.8 1.9 1.1 0.5 1.1 0.9 1.3 2.0 1.9 0.6 0.9 0.7 0.4 0.6 1.6 2.8 0.7 0.9 69.05 69.31 70.28 70.66 71.71 72.06 72.48 70.06 70.66 68.54 73.60 71.87 70.14 70.88 72.56 72.58 70.10 68.76 70.24 70.22
Below is a data set on various measures of 20 regions of a country. The murder rate is per 100,000, high school graduation rate
is in %, income is per capita income in dollars, illiteracy rate is per 1000, and life expectancy is in years. Find a regression model
for life expectancy with three predictor variables by trying all four of the possible models. Complete parts a) through d).
Click on the icon to view the data table.
a) Which model appears to do the best? Select the correct choice below and fill in the answer boxes to complete your choice.
(Round to three decimal places as needed.)
O A. Life Exp =
+(Murder + (
HSGrad + ( Income
(Murder + (
Income +
Illiteracy
(HSGrad + () Income +() Illiteracy
+ (Murder + (HSGrad +
Illiteracy
B.
Life Exp =
O C.
Life Exp =
O D. Life Exp =
+
+
Transcribed Image Text:Below is a data set on various measures of 20 regions of a country. The murder rate is per 100,000, high school graduation rate is in %, income is per capita income in dollars, illiteracy rate is per 1000, and life expectancy is in years. Find a regression model for life expectancy with three predictor variables by trying all four of the possible models. Complete parts a) through d). Click on the icon to view the data table. a) Which model appears to do the best? Select the correct choice below and fill in the answer boxes to complete your choice. (Round to three decimal places as needed.) O A. Life Exp = +(Murder + ( HSGrad + ( Income (Murder + ( Income + Illiteracy (HSGrad + () Income +() Illiteracy + (Murder + (HSGrad + Illiteracy B. Life Exp = O C. Life Exp = O D. Life Exp = + +
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