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robertss403
05.05.2020 •
Mathematics
What is the value of x?
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Ответ:
25.5
Step-by-step explanation:
If it is a central angle, the arc is equal to the angle, but since this is not a central angle, you find the arc by taking the angle and dividing it by 2
Ответ:
Correlation coefficient of the data is 0.9.
Option C.
Explanation:
Correlation is the relation of one variable with the other variable. It shows the effect on one variable because of the other variable. The coefficient of the correlation varies from 1 to -1.
The correlation coefficient of this scatterplot is 0.9 because the data points are not scattered in this scatterplot and are rather clustered. Moreover the slope is from left to right which is in the upward direction. So the coefficient is positive.