An industrial refrigerator is used to cool food in a processing factory. An experiment is performed to test the effect of wind speed of the refrigerator on the temperature in the refrigerator. The results are given in the table.

$($a$)$ Plot the data

$($a$)$ Calculate the correlation coefficient

$($b$)$ Comment on the result

$\backslash$table$[[W(\frac{m}{s}),T(C)$