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=0.016 0.016 (Round to three decimal places as needed.)
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=0.016 0.016 (Round to three 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
Related questions
Question
11.
Use a t-test to test the claim about the population mean
normally distributed.
μ
at the given level of significance
α
using the given sample statistics. Assume the population is 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.
H0:
μ≠26
Ha:
μ=26
H0:
μ=26
Ha:
μ≠26
H0:
μ≥26
Ha:
μ<26
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=0.016
0.016
(Round to three decimal places as needed.)Part 4
Decide whether to reject or fail to reject the null hypothesis.
Reject
H0.
There
is not
enough evidence to support the claim.Fail to reject
H0.
There
is
enough evidence to support the claim.Reject
H0.
There
is
enough evidence to support the claim.Fail to reject
H0.
There
is not
enough evidence to support the claim.Expert Solution
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