= 11: X     3    6    10    12    4     9     15    18     7    5    8 Y     9   18   30   36   12   27   45   54   21   15   24 Answer the following questions: (a) Calculate the covariance. (b) Calculate the coefficient of correlation. (c) What conclusions can you reach about the relationship between X and Y?  Explain.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 24PFA
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Below is a set of data from a sample of n = 11:

X     3    6    10    12    4     9     15    18     7    5    8
Y     9   18   30   36   12   27   45   54   21   15   24

Answer the following questions:
(a) Calculate the covariance.
(b) Calculate the coefficient of correlation.
(c) What conclusions can you reach about the relationship between X and Y?  Explain.

 

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