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19.06.2020 •
Mathematics
Question 11 of 20
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The table below shows the number of hours of parents in Paris spent reading books to their children.
Hours
o
1
2
2
3
5
5
7
Spent
Reading(x)
Number of 35
45
57
60
73
81
87
93
Parents(y)
A. Write the linear regression equation for this data set. Round all values to the nearest hundredth.
B.State the correlation coefficient of this line, to the nearest hundredth.
C.Explain what the correlation coefficient suggests in the context of the problem.
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Ответ:
8 = 2^x
log 8 = log 2^x = x log 2
log 2^3 = 3log 2 = x log 2
x = 3
Step-by-step explanation: