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. Round your answer to two decimal places.
Consider the following hypothesis test:
b. What is the p-value? Round your answer to four decimal places.
c. Using α = .05, what is your conclusion?
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d. What is the rejection rule using the critical value? What is your conclusion?
The input in the box below will not be graded, but may be reviewed and considered by your instructor.