The lengths of time (in years) it took a random sample of 32 former smokers to quit smoking permanently are listed. Assume the population standard deviation is 6.8 years. At a0.07, is there anough time it takes smokers to quit smoking permanently is 13 years? Complete parts (a) through (e). 14.4 17.7 19.2 21.1 18.1 7.7 9.6 8.4 0 8.2 13.1 17.6 104 13.1 21.7 11.6 10.5 19.3 14.7 22.1 10.4 11.3 17.5 17.8 136 13.6 19.2 143 15.4 114 21.2 11.3 14,1 (a) Identify the claim and state the null hypothesis and altermative hypothesis OA. H 13 (claim) H13 OR H13 (claim) H 13 OC. H13 (claim) H p13 OD. Ha13 (ciaim) Hpe13 OE H13 OR HH13 (elaim) H, pe13 (ctaim) H13 (b) Identily the standardized test statistic. Use technology - (Round to two decimal places as needed.)
The lengths of time (in years) it took a random sample of 32 former smokers to quit smoking permanently are listed. Assume the population standard deviation is 6.8 years. At a0.07, is there anough time it takes smokers to quit smoking permanently is 13 years? Complete parts (a) through (e). 14.4 17.7 19.2 21.1 18.1 7.7 9.6 8.4 0 8.2 13.1 17.6 104 13.1 21.7 11.6 10.5 19.3 14.7 22.1 10.4 11.3 17.5 17.8 136 13.6 19.2 143 15.4 114 21.2 11.3 14,1 (a) Identify the claim and state the null hypothesis and altermative hypothesis OA. H 13 (claim) H13 OR H13 (claim) H 13 OC. H13 (claim) H p13 OD. Ha13 (ciaim) Hpe13 OE H13 OR HH13 (elaim) H, pe13 (ctaim) H13 (b) Identily the standardized test statistic. Use technology - (Round to two decimal places as needed.)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:The lengths of time (in years) it took a random sample of 32 former smokers to quit smoking permanently are listed. Assume the population standard deviation is 6.8 years. At a0.07, is there anough
time it takes smokers to quit smoking permanently is 13 years? Complete parts (a) through (e).
14.4 17.7 19.2 21.1 18.1 7.7
9.6
8.4 0
8.2
13.1 17.6 10.4 13.1 21.7 11.6 10.5
19.3 14.7 22.1
10.4
11.3
17.5 17.8 136
13.6 19.2 143
15.4 114 21.2 11.3 14,1
(a) Identify the claim and state the null hypothesis and alternative hypothesis
OA. H13 (dlaim)
H 13
OR H13 (claim)
OG. H p13 (claim)
H 13
Hp13
OD. Ha13 (ciaim)
H pe13
OE H 13
OR HHA13 (elaim)
H, p13 (ctaim)
H13
(b) Identily the standardized test staistic. Use technology
- (Round to two decimal places as neaded.)
(e) Find the Pivalue. Use technology
P- (Round to three decimal places as needed.)
(d) Decide whether to reject or fail to reject the null hypothesis and (e) interpret the decision in the conteat of the original daim at the 7% level of significance.
OA Fall to reject H There is suficient evidence to reject the claim that the mean time it takes smokers to quit
amoking permanently is 13 years.
OB. Fal to reject H There is not suficient evidence to reject the clam that the
smoking permanently is 13 years.
OC. Reject H There is suficient evidence to reject the claim that the mean time it takes smokers to quit smoking
permanently is 13 years.
OD. Reject H There is not sufficient evidence to reject the clam that the mean
permanently is 13 years.
Transcribed Image Text:to quit smoking pemanently are listed. Assume the population standard deviation is 6.8 years. At a0.07, is there enough evidence to reject the clam that the mean
arts (a) through (e).
14.4 17.7 19.2 21.1 18.1 7.7
9.6 84 D
82
13.1
17.6
104 13.1 21.7 11.6 10.5
19.3 14,7 22.1
10.4
11.3 17.5 178 13.6
Question Viewer
13.0 192 14.3 15.4
11.4 212 11.3 14.1
CHD
sis.
OG. Hy 13 (aim)
OB. H13 (ciaim)
H 13
OK H 13 (claim)
OE H 13
H pa13 (claim)
wterpret the decision in the contet of the original claim at the 7% level of significance
OB. Fal to reject Ho. There is not sufficient evidence to reject the claim that the mean time it takos smokers to qut
umoking permanently is 13 years
that the mean time it takes smokers to quit
OD. Reject H There is not sufficient evidence to reject the claim that the mean time it takes smokers to qut wmoking
permanently is 13 years
the mean time takus smokers to quit umoking
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