A summary of total charges from a small caf's natural gas bills is provided below: Month KJ Cost October November 17 December 29 35 36 20 January February March a. $4.11/kj b. $7.81/kj O c. $14.06/kj O d. $4.92/kj 15 $186 187 233 260 276 203 Using regression analysis, the cost rate for the variable cost component is:

A summary of total charges from a small cafs natural gas bills is provided below: Using regression analysis, the cost rate for the variable cost component is: a. $4.11/kj b. $7.81/kj C. $14.06/kj d. $4.92/kj