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24.07.2020 •
Mathematics
55:58
A cone fits inside a square pyramid as shown. For every
Cross section, the ratio of the area of the circle to the
Since the area of the circle is the area of the square,
the volume of the cone equals
C 0 5
मा
area of the square is
OI
프
X
Cross section
the volume of the pyramid or ( 29cm ) or anh.
the volume of the pyramid or (20?m) or
r?h.
of the volume of the pyramid or (2n?cm) or
Arh.
the volume of the pyramid or #{n?m ) or
2r
2r
0
Arh.
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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.