ate the sample covaria following bivariate data set. (X Y 7 -7 12 10 5 12 ) table .b. Calculate the coefficient of correlation of the data set. 3.c. Describe in words the information given to us by the sample covariance and by the sample correlation. Explain how the correlation gives us more precise information. 3.d. Explain why the

MATLAB: An Introduction with Applications
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6

Calculate the sample covariance of the
following bivariate data set. (X Y 7 -7 12 10
5 12 ) table
.b.
Calculate the
coefficient of correlation of the data set. 3.c.
Describe in words the
information given to us by the sample
covariance and by the sample correlation.
Explain how the correlation gives us more
precise information. 3.d.
Explain why the
covariance is not a good measure of the
strength of the linear relationship between
the two variables.
Transcribed Image Text:Calculate the sample covariance of the following bivariate data set. (X Y 7 -7 12 10 5 12 ) table .b. Calculate the coefficient of correlation of the data set. 3.c. Describe in words the information given to us by the sample covariance and by the sample correlation. Explain how the correlation gives us more precise information. 3.d. Explain why the covariance is not a good measure of the strength of the linear relationship between the two variables.
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