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  3. consider the following hypothesis test: h0: ? = 15

Consider the following hypothesis test: H0: ? = 15 Ha: ? ? 15 A sample of...

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Basic Math

Consider the following hypothesis test: H0: ? = 15 Ha: ? ? 15 Asample of 50 provided a sample mean of 14.12. The populationstandard deviation is 4. a. Compute the value of the test statistic(to 2 decimals). b. What is the p-value (to 4 decimals)? c. Using ?= .05, can it be concluded that the population mean is not equal to15? Answer the next three questions using the critical valueapproach. d. Using ? = .05, what are the critical values for thetest statistic? (+ or -) e. State the rejection rule: Reject H0 ifz is the lower critical value and is the upper critical value. f.Can it be concluded that the population mean is not equal to15?

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Solution 15 1412 4n 50This is the two tailed test The null and alternative hypothesis is H0    See Answer
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