(Answered) Question consider a random sample of size 48 from a

Statistics

Question: Consider a random sample of size 48 from a population with hypothesized mean 365.25 and s 5 22.3.

a. Write the four parts for a two-sided hypothesis test concerning the population mean with a = 0.05.

b. What assumptions are necessary in order for the test in part (a) to be appropriate?

c. Suppose the sample mean is x¯ = 360.0. Find the value of the test statistic, and draw a conclusion about the population mean.

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