A marketing study was conducted to compare the mean age of male and female purch

Question

A marketing study was conducted to compare the mean age of male and female purchasers of a certain product. Random and independent samples were selected for both male and female purchasers of the product. It was desired to test to determine if the mean age of all female purchasers exceeds the mean age of all male purchasers. Give the null and alternative hypotheses.

A. Ho: µf - µm < 0

Ha: µf - µm = 0

B. Ho: µf - µm = 0
Ha: µf - µm < 0

C. Ho: µf - µm = 0
Ha: µf - µm < 0

D. Ho: µf - µm = 0
Ha: µf - µm > 0

E. None of the above.

Explanation / Answer

null, Ho: µf - µm = 0
alternate, mean age of all female purchasers exceeds the mean age of
all male purchasers H1: f - um >0

note: A null hypothesis is usually the hypothesis a researcher or experimenter is support the credit.
An alternative hypothesis is statistically significant relationship between two variables.

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