# Fairfield Homes

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Fairfield Homes is developing two parcels near Pigeon Fork, Tennessee. In order to test different

advertising approaches, they use different media to reach potential buyers. The mean annual family

income for 75 people making inquiries at the first development is $150,000, with a standard

deviation of $40,000. A corresponding sample of 120 people at the second development had a

mean of $180,000, with a standard deviation of $30,000. At the .05 significance level, can Fairfield

conclude that the population means are different?

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##### Solution Summary

Fairfield Homes is developing two parcels near Pigeon Fork, Tennessee. In order to test different

advertising approaches, they use different media to reach potential buyers. The mean annual family

income for 75 people making inquiries at the first development is $150,000, with a standard

deviation of $40,000. A corresponding sample of 120 people at the second development had a

mean of $180,000, with a standard deviation of $30,000. At the .05 significance level, can Fairfield

conclude that the population means are different?

##### Purchase this Solution

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