Predicted Sales when Radio TV 63 New Paper At 42? Threshold is :+-.7Maximum number of modes in thousands of news paper ads column?True or false the range of sales is 1866?

Concert Sales Thousands of Thousands of Sales ($1000) Radio&TV ads Newspaper ads $1,119.00 0 40 $973.00 0 40 $875.00 25 25 $625.00 25 25 $910.00 30 $971.00 30 $931.00 $1,177.00 $882.00 $982.00 $1,628.00 $1,577.00 $1,044.00 $914.00 $1,329.00 $1,330.00 $1,405.00 $1,436.00 30 $1,521.00 35 $1,741.00 35 $1,866.00 40 $1,717.00 70 40