Calculate a confidence interval on the population mean


Solve the below:

Q: From literature research, a physiologist learns that the national average height for male college students is 70 inches. Twenty randomly-chosen male students at AWC had the following heights:

68, 71, 73, 66, 65, 68, 58, 63, 77, 57, 69, 63, 64, 59, 74, 72, 70, 64, 56, 72

At α = 0.05, do male college students at AWC follow the national average.

a) The name of the appropriate test is:

b) List any 3 assumptions:

c) Hypothesis:

d) Test Statistic value:

e) Conclusions: Reject or Retain H0 (circle one)

Summary Statement:

f) Calculate a 95% Confidence Interval on the population mean.

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Basic Statistics: Calculate a confidence interval on the population mean
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