Concept explainers
Individual with higher income, relative to others in his or her state.
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Answer to Problem 91E
Individual from Indiana has a higher income, relative to others in his or her state.
Explanation of Solution
Given information:
For Indiana:
Value,
Mean,
Standard deviation,
For New Jersey:
Value,
Mean,
Standard deviation,
For Indiana:
Calculate the z − score:
For New Jersey:
Calculate the z − score:
Compare the z − scores:
The comparison of z − scores depicts that individual with higher z − score has a higher income, relative to others in his or her state.
Thus,
Individual from Indiana has a higher income, relative to others in his or her state.
Chapter 2 Solutions
PRACTICE OF STATISTICS F/AP EXAM
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