Question

Consider the following hypothesis test:
H0: μ ≥ 20
Ha: μ < 20
A sample of 50 provided a sample mean of 19.4. The population standard deviation is 2.
a. Compute the value of the test statistic.
b. What is the p-value?
c. Using α = .05, what is your conclusion?
d. What is the rejection rule using the critical value? What is your conclusion?



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  • CreatedFebruary 16, 2015
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