Students in an AP Statistics class wanted to determine if a person's hand span is associated with the number of candies he or she can pick up from a bowl of candy. For the fourteen students in the class, each student's hand span and the number of candies he or she was able to pick up was recorded. A least- squares analysis was conducted on the number of candies versus hand span. The conditions for inference were checked and deemed reasonable. The regression analysis output is given in the table below. Predictor Constant Coef -8.74 SE Coef 10.81 T -0.81 P 0.434 Hand span 1.26 0.52 2.44 0.031 S=3.34 R-Sq = 33.1% 39. The estimate of the slope of the least-squares regression line using a 95% confidence interval is (A) 1.26 ± 2.18(0.52) (B) 1.26 ± 2.44(0.52) (C) 1.26 ± 2.18 ( (0.521 (D) 1.26 ± 1.96(0.52) (E) 1.26 ± 3.34 (0.52) √14

MATLAB: An Introduction with Applications
6th Edition
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Author:Amos Gilat
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Students in an AP Statistics class wanted to determine if a person's hand span is associated with the
number of candies he or she can pick up from a bowl of candy. For the fourteen students in the class,
each student's hand span and the number of candies he or she was able to pick up was recorded. A least-
squares analysis was conducted on the number of candies versus hand span. The conditions for inference
were checked and deemed reasonable. The regression analysis output is given in the table below.
Predictor
Constant
Coef
-8.74
SE Coef
10.81
T
-0.81
P
0.434
Hand span
1.26
0.52
2.44
0.031
S=3.34
R-Sq = 33.1%
39. The estimate of the slope of the least-squares regression line using a 95% confidence interval is
(A) 1.26 ± 2.18(0.52)
(B) 1.26 ± 2.44(0.52)
(C) 1.26 ± 2.18 (
(0.521
(D) 1.26 ± 1.96(0.52)
(E) 1.26 ± 3.34
(0.52)
√14
Transcribed Image Text:Students in an AP Statistics class wanted to determine if a person's hand span is associated with the number of candies he or she can pick up from a bowl of candy. For the fourteen students in the class, each student's hand span and the number of candies he or she was able to pick up was recorded. A least- squares analysis was conducted on the number of candies versus hand span. The conditions for inference were checked and deemed reasonable. The regression analysis output is given in the table below. Predictor Constant Coef -8.74 SE Coef 10.81 T -0.81 P 0.434 Hand span 1.26 0.52 2.44 0.031 S=3.34 R-Sq = 33.1% 39. The estimate of the slope of the least-squares regression line using a 95% confidence interval is (A) 1.26 ± 2.18(0.52) (B) 1.26 ± 2.44(0.52) (C) 1.26 ± 2.18 ( (0.521 (D) 1.26 ± 1.96(0.52) (E) 1.26 ± 3.34 (0.52) √14
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