Question
Use a t-test to test the claim about the population mean at the given level of significance using the given sample statistics. Assume the population
Use a t-test to test the claim about the population mean
at the given level of significance
using the given sample statistics. Assume the population is normally distributed.
Claim:
25; =0.05
Sample statistics:
x=23.7
s=4.4
n=14
What are the null and alternative hypotheses? Choose the correct answer below.
A.
H0: 25
Ha: >25
B.
H0: 25
Ha: =25
C.
H0: 25
Ha: <25
D.
H0: =25
Ha: 25
Part 2 : What is the value of the standardized test statistic?The standardized test statistic is
enter your response here.
(Round to two decimal places as needed.)
Part 3What is the P-value of the test statistic?
P-value=enter your response here
(Round to three decimal places as needed.)
Part 4Decide whether to reject or fail to reject the null hypothesis.
A.
Failtoreject
H0.
There
is
enough evidence to support the claim.
B.
Reject
H0.
There
isnot
enough evidence to support the claim.
C.
Reject
H0.
There
is
enough evidence to support the claim.
D.
Failtoreject
H0.
There
isnot
enough evidence to support the claim.
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