Concept explainers
To estimate the
Answer to Problem 3.1CYU
Explanation of Solution
The scatterplot is shown in the question for the four set of real data namely as,
Scatterplot (a): shows the manatee plot.
Scatterplot (b): shows number of named tropical storms.
Scatterplot (c): shows the plot healing rate in micrometers.
Scatterplot (d): shows the stock market performance in consecutive years.
The correlation interprets the positive and negative relationship between the variables on y -axis and x -axis. Thus, by looking at the scatterplot (a), we can see that the points is from the left to right direction upwards so this means that the association is positive and the points are closer to a line so the correlation may be close to one. So, scatterplot (a) may have
By looking at the scatterplot (b), we can see that the points are from the left to right direction upwards so this means that the association is positive but the points are not much closer to a line. So, scatterplot (b) may have
Chapter 3 Solutions
The Practice of Statistics for AP - 4th Edition
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