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Sample Examination One - La Jolla High School

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26 Sarnple <strong>Examination</strong> ()ne Section Il<br />

4. A real estate agent in Texas rvished to determine if there was a relationship betn'een<br />

where a house rvas located and the number of bedrooms the house has. The agent<br />

selected the past 518 home sales during the months of June through September. The<br />

data collected is shornn belorv:<br />

2 bedrooms 40<br />

CITIES<br />

Dallas Fort Worth Other<br />

al<br />

JI l1<br />

3 bedrooms 157 91 bl<br />

4 bedrooms 46 44 37<br />

(a) Calculate the relative percentages of 2,3, arid 4 bedroom homes for each of the 3<br />

cities.<br />

(b) Do these data provide convincing evidence of an association between the<br />

location of a house and number of bedrooms a house has? Give appropriate<br />

statistical evidence to support your conclusion.<br />

Unauthorized copying or reusing any<br />

part of this page is illegal.

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