A realtor studies the relationship between the size of a house (in square feet) and the property
Question:
A realtor studies the relationship between the size of a house (in square feet) and the property taxes owed by the owner. He collects the following data on six homes in an affluent suburb 60 miles outside of New York City.
________________Square FeetProperty Taxes ($)
Home 1..................4,182.................12,540
Home 2..................2,844..................9,363
Home 3..................5,293.................22,717
Home 4..................2,284..................6,508
Home 5..................1,586..................5,355
Home 6..................3,394..................7,901
a. Construct and interpret a scatter plot.
b. Calculate and interpret sxy and rxy.
c. Specify the competing hypotheses in order to determine whether the population correlation between the size of a house and property taxes differs from zero.
d. Calculate the value of the test statistic and approximate its p-value.
e. At the 5% significance level, what is the conclusion to the test?
Step by Step Answer:
Business Statistics Communicating With Numbers
ISBN: 9780078020551
2nd Edition
Authors: Sanjiv Jaggia, Alison Kelly