7. An employment information service claims the mean annual salary for senior level product engineers is $98,000. 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 themean salary is $98,000. Complete parts (a) through (e) below. Assume the population is normally distributed.PrintAnnual Salaries96,306 93,58974.251 76,96676.235 103,97582,107 85,030100,636112.613 O82,541102.44391.01681,032103,940110.272(a) Identify the claim and state H, and H,Họ:(1)Hạ:(3)(Type integers or decimals. Do not round.)The claim is the (5)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 tot 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.(6)H, because the standardized test statistic (7)in the rejection region.(e) Interpret the decision in the context of the original claim.There (8)enough evidence at the% level of significance to (9)the claim that the mean annual salary for senior level product engineers is (10)(Type integers or decimals. Do not round.)(1) O o?O null(6) O Fail to rejectO isO isO is not(9) O supportO rejectO equal toO not equal toO less thanO greater thanO less than or equal to(2)(3)(4) O 2(5)(7)(8)(10)O RejectO is notO pO o2alternativeO pO greater than or equal tow V A V00000000M IN V0000

decimals. Do not round) 5). y to find the critical value(s) and idently the rejection region(s). hypothesis s) islare to separate answers as needed. Round to two decimal places as needed) which shows the rejection region. OB. Oc. te-. t ardized test statistic, t test statistic is t separate answers as needed. Round to two decimal places as needed.) er to reject or fail to reject the null hypothesis.

decimals. Do not round) 5). y to find the critical value(s) and idently the rejection region(s). hypothesis s) islare to separate answers as needed. Round to two decimal places as needed) which shows the rejection region. OB. Oc. te-. t ardized test statistic, t test statistic is t separate answers as needed. Round to two decimal places as needed.) er to reject or fail to reject the null 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

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Question

7. An employment information service claims the mean annual salary for senior level product engineers is $98,000. 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 $98,000. Complete parts (a) through (e) below. Assume the population is normally distributed.
Print
Annual Salaries
96,306 93,589
74.251 76,966
76.235 103,975
82,107 85,030
100,636
112.613 O
82,541
102.443
91.016
81,032
103,940
110.272
(a) Identify the claim and state H, and H,
Họ:
(1)
Hạ:
(3)
(Type integers or decimals. Do not round.)
The claim is the (5)
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 <t<to
t< - to, t> to
t<to
t> 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.
(6)
H, because the standardized test statistic (7)
in the rejection region.
(e) Interpret the decision in the context of the original claim.
There (8)
enough evidence at the
% level of significance to (9)
the claim that the mean annual salary for senior level product engineers is (10)
(Type integers or decimals. Do not round.)
(1) O o?
O null
(6) O Fail to reject
O is
O is
O is not
(9) O support
O reject
O equal to
O not equal to
O less than
O greater than
O less than or equal to
(2)
(3)
(4) O 2
(5)
(7)
(8)
(10)
O Reject
O is not
O p
O o2
alternative
O p
O greater than or equal to
w V A V
0000
0000
M IN V
0000

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