11. Use a​ t-test to test the claim about the population mean μ at the given level of significance α using the given sample statistics. Assume the population is normally distributed.   ​Claim: μ≠26​; α=0.05     Sample​ statistics: x=22.8​, s=4.3​, n=14       Question content area bottom Part 1 What are the null and alternative​ hypotheses? Choose the correct answer below.     A. H0​: μ≠26 Ha​: μ=26   B. H0​: μ=26 Ha​: μ≠26 Your answer is correct.   C. H0​: μ≥26 Ha​: μ<26   D. H0​: μ≤26 Ha​: μ>26 Part 2 What is the value of the standardized test​ statistic?   The standardized test statistic is negative 2.78   −2.78. ​(Round to two decimal places as​ needed.) Part 3 What is the​ P-value of the test​ statistic?   ​P-value=enter your response here   ​(Round to three decimal places as​ needed.)

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11.
Use a​ t-test to test the claim about the population mean
μ
at the given level of significance
α
using the given sample statistics. Assume the population is normally distributed.
 
​Claim:
μ≠26​;
α=0.05    
Sample​ statistics:
x=22.8​,
s=4.3​,
n=14
 
 
 

Question content area bottom

Part 1
What are the null and alternative​ hypotheses? Choose the correct answer below.
 
 
A.
H0​:
μ≠26
Ha​:
μ=26
 
B.
H0​:
μ=26
Ha​:
μ≠26
Your answer is correct.
 
C.
H0​:
μ≥26
Ha​:
μ<26
 
D.
H0​:
μ≤26
Ha​:
μ>26
Part 2
What is the value of the standardized test​ statistic?
 
The standardized test statistic is
negative 2.78
 
−2.78.
​(Round to two decimal places as​ needed.)
Part 3
What is the​ P-value of the test​ statistic?
 
​P-value=enter your response here
 
​(Round to three decimal places as​ needed.)
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