STATS:DATA+MODELS-W/DVD
STATS:DATA+MODELS-W/DVD
4th Edition
ISBN: 9780321986498
Author: DeVeaux
Publisher: PEARSON
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Chapter 6, Problem 40E

a.

To determine

Explain the association of the variables: Mortgage loan amount and Interest rate.

b.

To determine

Find the correlation coefficient between the standardized variables: Mortgage loan amount and Interest rate.

c.

To determine

Explain the change in the correlation coefficient between Mortgage loan amount and Interest rate when the unit of the variable, Mortgage loan amount, is changed from billion dollars to trillion dollars.

d.

To determine

Find the effect of including the value of the next year in the dataset on the correlation coefficient between the variables: Mortgage loan amount and Interest rate.

e.

To determine

Explain whether the data interpret that “the mortgage loan amounts will increase if the interest rate decreases”.

f.

To determine

Explain whether the Kendall’s tau provides proof that people will take out more mortgages if mortgage rates are lowered.

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STATS:DATA+MODELS-W/DVD

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