(Use Excel) A realtor in Mission Viejo, California, believes that the average price of a house is...

Question:

(Use Excel) A realtor in Mission Viejo, California, believes that the average price of a house is more than $500 thousand.

a. State the null and the alternative hypotheses for the test.

b. Open the Mission Viejo (raw ) data from the text website into an Excel spreadsheet (data are in $1,000s). Use the function Z.TEST to calculate the p -value. Assume the population standard deviation is $100 (in $1,000s).

c. At α = 0.05 what is the conclusion? Is the realtor's claim supported by the data?

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