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 5.3 years. At α = 0.08, is there enough evidence to reject the claim that the mean time it takes smokers to quit smoking permanently is 15 years? Complete parts (a) through (e). 8.4 11.3 16.7 15.8 D 11.8 19.1 16.5 22.7 18.5 14.1 8.2 9.5 14.7 16.2 20.2 14.5 16.7 20.1 22.9 11.3 15.1 22.1 11.1 21.5 16.8 20.3 14.5 17.1 14.9 19.6 17.1 16.6 (a) Identify the claim and state the null hypothesis and alternative hypothesis. O A. Ho: μ≤15 (claim) Ha: μ> 15 D. Ho: μ = 15 (claim) H₂:μ#15 B. Ho:μ ≥ 15 (claim) H₂:μ< 15 O E. Ho: μ> 15 (claim) Hg: με 15 OC. Ho: μ15 (claim) H₂:μ=15 OF. Ho: μ> 15 H₂:μ≤15 (claim)
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 5.3 years. At α = 0.08, is there enough evidence to reject the claim that the mean time it takes smokers to quit smoking permanently is 15 years? Complete parts (a) through (e). 8.4 11.3 16.7 15.8 D 11.8 19.1 16.5 22.7 18.5 14.1 8.2 9.5 14.7 16.2 20.2 14.5 16.7 20.1 22.9 11.3 15.1 22.1 11.1 21.5 16.8 20.3 14.5 17.1 14.9 19.6 17.1 16.6 (a) Identify the claim and state the null hypothesis and alternative hypothesis. O A. Ho: μ≤15 (claim) Ha: μ> 15 D. Ho: μ = 15 (claim) H₂:μ#15 B. Ho:μ ≥ 15 (claim) H₂:μ< 15 O E. Ho: μ> 15 (claim) Hg: με 15 OC. Ho: μ15 (claim) H₂:μ=15 OF. Ho: μ> 15 H₂:μ≤15 (claim)
MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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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 5.3 years. At α = 0.08, is there enough evidence to reject the claim that the
mean time it takes smokers to quit smoking permanently is 15 years? Complete parts (a) through (e).
8.4
11.8 19.1 16.5 22.7 11.3 16.7 15.8
18.5 14.1 8.2 9.5
16.7 20.1 22.9 11.3
16.8 20.3 14.5 17.1 14.9
(a) Identify the claim and state the null hypothesis and alternative hypothesis.
O A. Ho: μ≤ 15 (claim)
H₂:μ>15
14.7 16.2 20.2 14.5
15.1 22.1 11.1 21.5
19.6 17.1 16.6
O D. Ho: H15 (claim)
H₂:μ#15
O B. Ho: μ ≥ 15 (claim)
H₂:µ<15
O E. Ho: μ> 15 (claim)
H₂:μ≤15
a
O C. Ho: μ15 (claim)
H₂:μ=15
OF. Ho: H> 15
H₂: μs 15 (claim)
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