Use technology and 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>78;
Use technology and 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>78;
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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Use technology and 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>78;
α=0.01
Sample statistics:
x=80.7,
s=3.4,
n=26
What are the null and alternative hypotheses? Choose the correct answer below.
H0:
μ≤78
HA:
μ>78
H0:
μ≥78
HA:
μ<78
H0:
μ≠78
HA:
μ=78
H0:
μ=78
HA:
μ≠78
What is the value of the standardized test statistic?
The standardized test statistic is
nothing.
(Round to two decimal places as needed.)What is the P-value of the test statistic?
P-value=nothing
(Round to three decimal places as needed.)Decide whether to reject or fail to reject the null hypothesis. Choose the correct answer below.
Reject
H0.
There
is
enough evidence to support the claim.Reject
H0.
There
is not
enough evidence to support the claim.Fail to 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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