ou are given the following monthly demand data for Apple Airpods at Verizon.

Period Demand

$11,279$

$21,502$

$31,448$

$41,483$

$51,862$

$61,943$

$72,273$

Estimate a simple linear regression line using the data from Periods $1-7.$

Forecast the demand for Period $10$ using the regression line you estimated to incorporate trend.