An employment information service claims the mean annual salary for senior level product engineers is $96,000. 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= 0.01, test the claim that the mean salary is $96,000. Complete parts (a) through (e) below. Assume the population is normally distributed. 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. t> to C OB. Q -to to ^ Oo
An employment information service claims the mean annual salary for senior level product engineers is $96,000. 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= 0.01, test the claim that the mean salary is $96,000. Complete parts (a) through (e) below. Assume the population is normally distributed. 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. t> to C OB. Q -to to ^ Oo
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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Transcribed Image Text:K
An employment information service claims the mean annual salary
for senior level product engineers is $96,000. 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 = 0.01, test the claim that the
mean salary is $96,000. Complete parts (a) through (e) below.
Assume the population is normally distributed.
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.
t> to
OB.
Q
- to <t<to
Q
Q
O C.
100,583
82,475
102,382
91,021
t<to
Annual Salaries
96,283 93,577 112,619
74,184 76,987 80,983
76,222 104,073 103,929
82,022 85,082 110,334
Q
Q
O D.
D
t< - to. t> to
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Follow-up Question
Transcribed Image Text:K
Vice claims the mean annual salary
for senior level product engineers is $96,000. 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=0.01, test the claim that the
mean salary is $96,000. Complete parts (a) through (e) below.
Assume the population is normally distributed.
TTT
HTT
0 to
- to o to
not equi
There is enough evidence at the 10% level of signi
salary for senior level product engineers is
not round.)
# 4
(c) Find the standardized test statistic, t.
The standardized test statistic is t= - 1.25
(Round to two decimal places as needed.)
(d) Decide whether to reject or fail to reject the null hypothesis.
Fail to reject Ho because the standardized test statistic
(e) Interpret the decision in the context of the original clain
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S
is
▼in the rejection region.
is not
100,583
82,475
102,382
91,021
1.
Annual Salaries
96,283 93,577 112,619
74,184 76,987
80,983
76,222 104,073 103,929
82,022 85,082 110,334
"+"" 100 to
+
1667
rt the claim that the mean annual
00. (Type integers or decimals. Do
Solution
by Bartleby ExpertFollow-up Question
Transcribed Image Text:An employment information service claims the mean annual salary
for senior level product engineers is $96,000. 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 = 0.01, test the claim that the
mean salary is $96,000. Complete parts (a) through (e) below.
Assume the population is normally distributed.
OA.
t> to
0 to
4
Q
Q
#
Q
OB.
- to <t<to
1+
- to 0 to
Q
S
Q
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(c) Find the standardized test statistic, t.
The standardized test statistic is t =
(Round to two decimal places as needed)
(d) Decide whether to reject or fail to reject the null hypothesis.
C.
-4
V
<to
to 0
JUSSIDIE
100,583
82,475
102,382
91,021
[
Annual Salaries
96,283 93,577 112,619
74,184 76,987
80,983
Q
N
76,222 104,073 103,929
82,022 85,082 110,334
OD.
t< - to, t>to
-4 -to 0 to
+ More
Q
G
X
Solution
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