tiaemrich146
13.11.2020 •
Mathematics
A movie is 1 7/8 hours long after 45 minutes how much of the movie is left
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Ответ:
-0.91
Step-by-step explanation:
A linear relationship is said to be strong if the points on graph are close to a straight line ( correlation coefficient is nearest to 1) and weak if they widely scattered about the line ( correlation coefficient is nearest to -1) .
From the given graph it appeaser to be a strong negative correlation as the points are moving downwards diagonally close to a line which shows if one variable increases , the other decreases.
It means the correlation coefficient must be the nearest value to -1, i.e. -0.91.
Thus, the correlation coefficient most likely for the set of data shown =-0.91