Question

An automobile company is running a new television commercial in five cities with approximately the same population the following table shows the number of items the commercial is run on TV in each city and the number of car sales in hundreds find a linear Regression line for the data given in the table round any intermediate calculations to know less than six decimal places and round the coefficients to two decimal places

Answer 1

Using a linear regression calculator

The linear equation is given by

y=0.38x+1.29