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 5.9 years. At α=0.03, 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). 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 5.9 years. At α=0.03, 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). 19.9 21.3 13.1 17.8 17.5 18.3 7.3 18.1 18.9 9.5 17.5 19.4 15.3 16.5 7.6 18.7 22.8 18.6 21.3 11.5 12.7 18.3 13.5 20.7 12.7 12.1 14.3 16.9 19.9 21.2 22.9 10.3 (a) Identify the claim and state the null hypothesis and alternative hypothesis. (b) Identify the standardized test statistic. Use technology. (c) Find the P-value. Use technology. 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 5.9 years. At α=0.03, 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). 19.9 21.3 13.1 17.8 17.5 18.3 7.3 18.1 18.9 9.5 17.5 19.4 15.3 16.5 7.6 18.7 22.8 18.6 21.3 11.5 12.7 18.3 13.5 20.7 12.7 12.1 14.3 16.9 19.9 21.2 22.9 10.3 (a) Identify the claim and state the null hypothesis and alternative hypothesis.
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 5.9 years. At α=0.03, 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). 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 5.9 years. At α=0.03, 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). 19.9 21.3 13.1 17.8 17.5 18.3 7.3 18.1 18.9 9.5 17.5 19.4 15.3 16.5 7.6 18.7 22.8 18.6 21.3 11.5 12.7 18.3 13.5 20.7 12.7 12.1 14.3 16.9 19.9 21.2 22.9 10.3 (a) Identify the claim and state the null hypothesis and alternative hypothesis. (b) Identify the standardized test statistic. Use technology. (c) Find the P-value. Use technology. 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 5.9 years. At α=0.03, 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). 19.9 21.3 13.1 17.8 17.5 18.3 7.3 18.1 18.9 9.5 17.5 19.4 15.3 16.5 7.6 18.7 22.8 18.6 21.3 11.5 12.7 18.3 13.5 20.7 12.7 12.1 14.3 16.9 19.9 21.2 22.9 10.3 (a) Identify the claim and state the null hypothesis and alternative hypothesis.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
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
5.9
years. At
α=0.03,
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).
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
5.9
years. At
α=0.03,
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).|
19.9
|
21.3
|
13.1
|
17.8
|
17.5
|
18.3
|
7.3
|
18.1
|
|
|
18.9
|
9.5
|
17.5
|
19.4
|
15.3
|
16.5
|
7.6
|
18.7
|
|
|
22.8
|
18.6
|
21.3
|
11.5
|
12.7
|
18.3
|
13.5
|
20.7
|
|
|
12.7
|
12.1
|
14.3
|
16.9
|
19.9
|
21.2
|
22.9
|
10.3
|
|
(a) Identify the claim and state the null hypothesis and alternative hypothesis.
(b) Identify the standardized test statistic. Use technology.
(c) Find the P-value. Use technology.
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
5.9
years. At
α=0.03,
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).|
19.9
|
21.3
|
13.1
|
17.8
|
17.5
|
18.3
|
7.3
|
18.1
|
|
|
18.9
|
9.5
|
17.5
|
19.4
|
15.3
|
16.5
|
7.6
|
18.7
|
|
|
22.8
|
18.6
|
21.3
|
11.5
|
12.7
|
18.3
|
13.5
|
20.7
|
|
|
12.7
|
12.1
|
14.3
|
16.9
|
19.9
|
21.2
|
22.9
|
10.3
|
|
(a) Identify the claim and state the null hypothesis and alternative hypothesis.
H0:
μ≤15
(claim)Ha:
μ>15
H0:
μ>15
(claim)Ha:
μ≤15
H0:
μ=15
(claim)Ha:
μ≠15
H0:
μ≠15
(claim)Ha:
μ=15
H0:
μ>15
Ha:
μ≤15
(claim)H0:
μ≥15
(claim)Ha:
μ<15
(b) Identify the standardized test statistic. Use technology.
z=nothing
(Round to two decimal places as needed.)(c) Find the P-value. Use technology.
P=nothing
(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 context of the original claim at the
3%
level of significance.
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