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How would you anwer a-j using the results below, with a sample size of 101; to test the hypothesis 12 19.3 12.2 15.5 15.6 20.6

How would you anwer a-j using the results below, with a sample size of 101; to test the hypothesis

12 19.3 12.2 15.5 15.6 20.6 18.5 15.2 19.8 16.1 13.3 18.1 17.7 18.9 15.2 12.2 15.7 17.9 14.8 15.3 15.6 15.8 18.2 13.6 16.8 14.4 15.2 14.8 13.7 16.3 15.5 19.3 15.3 13.6 17.1 21.8 19.9 14.9 17.3 13.4 13.6 14.8 11.6 17.5 15.6 13.8 13.1 16.5 14.1 12.9 16.6 18.4 15.6 14.4 10.8 15.5 15.9 13.1 15.2 14.7 14.2 16.4 13.8 12.9 16.1 14.8 14.2 11.7 11.1 14.3 15.4 12.8 14.6 17.4 18.5 16.6 13.8 15.1 14.3 12.3 14.7 11.6 11.8 13.2 14.1 14.4 11.4 11.4 12.5 14.3 12.5 18.2 12.7 14.2 13.6 13.7 12.7 12.1 13.1 12.1

Hypothesis: Mean time per call is 14.7 minutes

a. What is the Null and alternate hypotheses for this statement

Ho:

Ha:

b. Type of test?

Right tail or left tail or two tail and why so

c. Use z or t?

Select z or t and explain your selection.

d. What is the Rejection region? Assume alpha = .05.Where is the rejection region?Format should be something like, for example, z>2.3

e. Test statistic? Give value of the test statistic

f. p-value? Give value of the p-value

g. hypothesis test result using p-value Do we reject or not reject Ho.Why?

h.Hypothesis test result using test statistic Do we reject or not reject Ho.Why?

i. Do the results support the claim being made?

j. 99% Confidence Interval for the mean Give the 99% confidence interval for the mean of the variable being tested above.

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