previous month. Gershon has collected the data shown in the following table:

$\backslash$table$[[$Maroon $5$ TV Appearances,$3,3,7,6,7,5],[$Demand for Guitars,$2,5,7,5,9,6]]$

This exercise contains only parts $b,c,$ and $d.$

b$)$ Using the least$-$squares regression method, the equation for forecasting is $($round your responses to four decimal places$)$:

$Y=,+1\mathrm{.}0297x$

c$)$ The estimate for guitar sales if Maroon $5$ performed on TV $9$ times $=9\mathrm{.}6138$ sales $($round your response to two decimal places$).$

d$)$ The correlation coefficient $(r)$ for this model $=,($round your response to four decimal places$).$