STA 210

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Homework 12

Section IV. C. and Lab 12

Section IV. C. Questions

A random sample of 15 monthly rents for two-bedroom apartments was selected from a certain

city. The mean of this sample is $636. Assume the population standard deviation is $121. A

group of students think the mean rent for two-bedroom apartments is less than $650. Test their

claim with a significance level of

05

0

.

. Use this scenario to answer questions 1-5.

1)

State the alternative and null hypothesis.