Statistics Through Applications
Statistics Through Applications
2nd Edition
ISBN: 9781429219747
Author: Daren S. Starnes, David Moore, Dan Yates
Publisher: Macmillan Higher Education
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Chapter 4.1, Problem 4.22E

(a)

To determine

To find out which of these statements are true and which are false.

(a)

Expert Solution
Check Mark

Answer to Problem 4.22E

False

Explanation of Solution

It is false, as the correlation only gives information on the direction and strength of the relationship.

(b)

To determine

Tofind out which of these statements are true and which are false.

(b)

Expert Solution
Check Mark

Answer to Problem 4.22E

False

Explanation of Solution

It is false, as we have seen that a perfect quadratic relationship can have correlation zero.

(c)

To determine

To find out which of these statements are true and which are false.

(c)

Expert Solution
Check Mark

Answer to Problem 4.22E

True

Explanation of Solution

It is true, because in general, the thicker the book, the more pages.

(d)

To determine

To find out which of these statements are true and which are false.

(d)

Expert Solution
Check Mark

Answer to Problem 4.22E

False

Explanation of Solution

It is false, because the heavier the car, the less number of miles per gallon that you can drive with a fuel tank.

(e)

To determine

To find out which of these statements are true and which are false.

(e)

Expert Solution
Check Mark

Answer to Problem 4.22E

True

Explanation of Solution

It is true, as the units do not influence the correlation.

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