Concept explainers
(a)
To identify which of the
(a)
Answer to Problem 11E
Explanation of Solution
The given list of correlations are:
Thus, by looking at the scatterplot of part (a), we can say that it does not have a linear association and also its
(b)
To identify which of the correlation given in the question belongs to the scatterplot given in the subparts.
(b)
Answer to Problem 11E
Explanation of Solution
The given list of correlations are:
Thus, by looking at the scatterplot of part (b), we can say that it is the only with a positive linear association and its correlation coefficient should be close to one as the points in the scatterplot shows that they are going in an upward direction so the relationship is positive and none other graph has positive association. Thus, the correlation that best fits to it is
(c)
To identify which of the correlation given in the question belongs to the scatterplot given in the subparts.
(c)
Answer to Problem 11E
Explanation of Solution
The given list of correlations are:
Thus, by looking at the scatterplot of part (c), we can say that it has a linear negative association as the points in the scatterplot is going downward but the points in the scatterplot in part (d) is also going downward, since the points in scatterplot of part (c) shows much more clustered in shape as in part (d) thus part (c) scatterplot should have a correlation coefficient much closer to
(d)
To identify which of the correlation given in the question belongs to the scatterplot given in the subparts.
(d)
Answer to Problem 11E
Explanation of Solution
The given list of correlations are:
Thus, by looking at the scatterplot of part (d), we can say that it isit has a linear negative association as the points in the scatterplot is going downward but the points in the scatterplot in part (c) is also going downward, since the points in scatterplot of part (c) shows much more clustered in shape as in part (d) thus part (d) scatterplot should have a correlation coefficient less closer to
Chapter 7 Solutions
Stats: Modeling the World Nasta Edition Grades 9-12
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