ple​ mean, sample​ size, and population standard deviation are provided below. Use the​ one-mean z-test to perform the required hypothesis test at the 10​% significance level.   x=26 n=20​, σ=6 H0​: μ=24 Ha​: μ>24   The test statistic is z=___

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Chapter1: Starting With Matlab
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A sample​ mean, sample​ size, and population standard deviation are provided below. Use the​ one-mean z-test to perform the required hypothesis test at the 10​% significance level.
 
x=26
n=20​,
σ=6
H0​:
μ=24
Ha​:
μ>24
 
The test statistic is z=___________
​(Round to two decimal places as​ needed.)
 
Identify the critical​ value(s). Select the correct choice below and fill in the answer box within your choice.
​(Round to two decimal places as​ needed.)
 
A. The critical values are ±zα/2=±______________
B. The critical value is −zα=_____________
C. The critical value is zα=___________
 
 
 
_____ (Reject, do not reject) the null hypothesis. The data ____________________(do not provide, provide sufficient) evidence to conclude that the mean is (less than 40, equal to 40, not equal to 40, greater than 40)
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