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Student Work Hours In today’s economy, university students often work many hours to help pay for...

Student Work Hours In today’s economy, university students often work many hours to help pay for the high costs of living in the city. Suppose RAB College is considering changing its class schedule to accommodate students working long hours. The registrar has stated a change is needed because the mean number of hours worked by undergraduate students at the college is more than 20 per week.

a) Determine the population parameter of interest.

b) Identify the hypothesis of interest.

c) Formulate the null and alternative hypotheses

math   Statistics-And-Probability   
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Answer #1

a)  the population parameter of interest is the mean number of hours worked by undergraduate students at the college.

b) The hypothesis of interest is the mean number of hours worked by undergraduate students at the college is more than 20 per week.

C) NULL HYPOTHESIS H0: μ < 20

In words: the mean number of hours worked by undergraduate students at the college is less than or equal to 20 per week.

ALTERNATIVE HYPOTHESIS Ha: \mu > 20 : the mean number of hours worked by undergraduate students at the college is more than 20 per week.

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