Concept explainers
(a)
To describe how would the r change if all the men were
(a)
Explanation of Solution
If all the men were
(b)
To describe how does the correlation change if the heights were measured in centimeters rather than inches.
(b)
Explanation of Solution
If the heights were measured in centimeters rather than inches then r would not change, because the proportions of the heights among the men do not change.
(c)
To describe what would be the correlation between the male and female heights if every women dates a men three inches taller than herself.
(c)
Answer to Problem 4.14E
The correlation coefficient would be one
Explanation of Solution
If every women dates a men three inches taller than herself, then the correlation coefficient would be one, because there is an extremely strong positive association in this case.
Chapter 4 Solutions
Statistics Through Applications
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Statistics for Psychology
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