(a)
To explain: about the southern states
(a)
Answer to Problem 11E
The given graph shows a clear direction
The form of the relationship is slightly curved
The overall relationship in figure is moderately strong;
Explanation of Solution
Given:
The given graph shows a clear direction: the overall pattern moves from upper left to lower right. That is, states in which higher percent of higher school graduates take the SAT tend to have lower mean SAT Math scores. We call this a negative association between the two variables. The form of the relationship is slightly curved. More important, most states fall into one of two clusters. In about half of the states
(b)
To explain:how West Virginia i is an outlier.
(b)
Answer to Problem 11E
States West Virginal at
Explanation of Solution
An outlier is an observation that less an abnormal distance from other values. In a random sample from a population, States West Virginal at
Chapter 3 Solutions
The Practice of Statistics for AP - 4th Edition
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Intro Stats
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Elementary Statistics
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