(a) Identify the claim and state Ho and Ha. Ho: Ha: (Type integers or decimals. Do not round.) The claim is the hypothesis. (b) Use technology to find the critical value(s) and identify the rejection region(s). The critical value(s) is/are to = ]. (Use a comma to separate answers as needed. Round to two decimal places as needed.) Choose the graph which shows the rejection region. OA. OB. OC. OD. -to to t< -to, t>to Ó to -to 0. to (c) Find the standardized test statistic, t. The standardized test statistic is t=. (Use a comma to separate answers as needed. Round to two decimal places as needed.)

(a) Identify the claim and state Ho and Ha. Ho: Ha: (Type integers or decimals. Do not round.) The claim is the hypothesis. (b) Use technology to find the critical value(s) and identify the rejection region(s). The critical value(s) is/are to = ]. (Use a comma to separate answers as needed. Round to two decimal places as needed.) Choose the graph which shows the rejection region. OA. OB. OC. OD. -to to t< -to, t>to Ó to -to 0. to (c) Find the standardized test statistic, t. The standardized test statistic is t=. (Use a comma to separate answers as needed. 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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Question

An employment information service claims the mean annual salary for senior level product engineers is $95,000. The annual salaries (in dollars) for a random sample of 16 senior level product
engineers are shown in the table to the right. At a = 0.05, test the claim that the mean salary is $95,000. Complete parts (a) through (e) below. Assume the population is normally distributed.
Annual Salaries
100,616
82,491
102,542
91,140
96,228 93,486 112,674 E
74,222 77,082
76,122 104,07O
82,157 85,013
80,968
104,085
110,272

(a) Identify the claim and state Ho and Ha.
Ho:
Ha:
(Type integers or decimals. Do not round.)
The claim is the
hypothesis.
(b) Use technology to find the critical value(s) and identify the rejection region(s).
The critical value(s) is/are to
(Use a comma to separate answers as needed. Round to two decimal places as needed.)
Choose the graph which shows the rejection region.
OA.
В.
OC.
D.
- to <t<to
t<to
t>to
t< -to, t> to
-4
- to 0 to
to
to
-4
-to Ó to
(c) Find the standardized test statistic, t.
The standardized test statistic is t = ].
(Use a comma to separate answers as needed. Round to two decimal places as needed.)
(d) Decide whether to reject or fail to reject the null hypothesis.
Ho because the standardized test statistic
in the rejection region.
(e) Interpret the decision in the context of the original claim.
There
enough evidence at the % level of significance to
the claim that the mean annual salary fo
senior level product engineers is
(Type integers or decimals. Do not round

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