Exercise $3-71$ Algo

Consider the following sample data:

Picture Click here for the Excel Data File

a$.$ Calculate the covariance between the variables. $($Negative value should

be indicated by a minus sign. Round your intermediate calculations to at

least $4$ decimal places and final answer to $2$ decimal places.$)$

Covariance

b$.$ Calculate the correlation coefficient. $($Round your intermediate

calculations to $4$ decimal places and final answer to $2$ decimal places.