Question: using these numbers with a sample size of 101, please help solve a-j to test the hypothesis Mean 160.33 Median 160.33 Range 79 Standard deviation

using these numbers with a sample size of 101, please help solve a-j to test the hypothesis

Mean 160.33

Median 160.33

Range 79

Standard deviation 19.2643

Hypothesis: Mean calls made among those with no training is at least 145

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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