In Testing the Hypotheses:
H0: μ = 22
HA: μ $\bar { X }$

question 15

Essay

In testing the hypotheses:
H0: μ = 22
HA: μ < 22
the following information was given:  = 15, n = 50, $\bar { X }$ = 17.5,  = 0.04.
a. Calculate the value of the test statistic.
b. Set up the rejection region.
c. Determine the p-value.
d. Interpret the result.

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Definitions:

Twenties

A term often used to describe the decade between 20 and 29 years of age, or the 1920s era known for its unique cultural and social dynamism.

Justification of Effort

The tendency to attribute a greater value to an outcome they had to put effort into achieving.

Liking

A feeling of affection or fondness towards someone or something.

Suffered

Experienced or been subjected to something bad or unpleasant.