An employment information service claims the mean annual salary for senior level product engineers is $97,000. The annual salaries (in dollars) for a random sample of 16 senior level product engineers are shown in the table to the right. At α=0.10, test the claim that the mean salary is $97,000. Complete parts (a) through (e) below. Assume the population is normally distributed. Annual Salaries 100 ,637 96 ,395 93 ,509 112 ,609 82 ,472 74 ,162 76 ,989 80 ,977 102 ,467 76 ,251 103 ,944 104 ,042 91 ,135 82 ,152 85 ,096 110 ,269 Part 1 (a) Identify the claim and state H0 and Ha. (Type integers or decimals.) Part 2 (b) Use technology to find the critical value(s) and identify the rejection region(s). The critical value(s) is/are t0= (c) Find the standardized test statistic, t. The standardized test statistic is t= Part 5 (d) Decide whether to reject or fail to reject the null hypothesis. Part 6 (e) Interpret the decision in the context of the original claim. There (is not/is) enough evidence at the ___% level of significance to (reject /support) the claim that the mean annual salary for senior-level product engineers is equal to $_______
An employment information service claims the mean annual salary for senior level product engineers is $97,000. The annual salaries (in dollars) for a random sample of 16 senior level product engineers are shown in the table to the right. At α=0.10, test the claim that the mean salary is $97,000. Complete parts (a) through (e) below. Assume the population is normally distributed. Annual Salaries 100 ,637 96 ,395 93 ,509 112 ,609 82 ,472 74 ,162 76 ,989 80 ,977 102 ,467 76 ,251 103 ,944 104 ,042 91 ,135 82 ,152 85 ,096 110 ,269 Part 1 (a) Identify the claim and state H0 and Ha. (Type integers or decimals.) Part 2 (b) Use technology to find the critical value(s) and identify the rejection region(s). The critical value(s) is/are t0= (c) Find the standardized test statistic, t. The standardized test statistic is t= Part 5 (d) Decide whether to reject or fail to reject the null hypothesis. Part 6 (e) Interpret the decision in the context of the original claim. There (is not/is) enough evidence at the ___% level of significance to (reject /support) the claim that the mean annual salary for senior-level product engineers is equal to $_______
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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Question
| An employment information service claims the mean annual salary for senior level product engineers is $97,000. The annual salaries (in dollars) for a random sample of 16 senior level product engineers are shown in the table to the right. At α=0.10, test the claim that the mean salary is $97,000.
Complete parts (a) through (e) below. Assume the population is |
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|
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|||||
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Annual Salaries
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||||||||
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100
|
,637
|
96
|
,395
|
93
|
,509
|
112
|
,609
|
|
|
82
|
,472
|
74
|
,162
|
76
|
,989
|
80
|
,977
|
|
|
102
|
,467
|
76
|
,251
|
103
|
,944
|
104
|
,042
|
|
|
91
|
,135
|
82
|
,152
|
85
|
,096
|
110
|
,269
|
|
|
|
Part 1
(a) Identify the claim and state
H0
and
Ha.
(Type integers or decimals.)
Part 2
(b) Use technology to find the critical value(s) and identify the rejection region(s).
The critical value(s) is/are t0=
(c) Find the standardized test statistic, t.
The standardized test statistic is t=
Part 5
(d) Decide whether to reject or fail to reject the null hypothesis.
Part 6
(e) Interpret the decision in the context of the original claim.
There (is not/is) enough evidence at the ___% level of significance to (reject /support) the claim that the mean annual salary for senior-level product engineers is equal to $_______
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