Year	Time Period	quarter	sales
2017	1	1	43.7
	2	2	53.6
	3	3	52.4
	4	4	57.2
2018	5	1	45.3
	6	2	55.2
	7	3	54.2
	8	4	56.9
2019	9	1	46.5
	10	2	56
	11	3	54.7
	12	4	59.7
2020	13	1	48.7
	14	2	60.7
	15	3	59.4
	16	4	64.1
the Regression Output
	How much of the variation in sales revenue is explained by Time?
	Used the regression output to predict sales revenue for the next four quarters
Calculate the two period, three period and four period moving averages
Create a regression model using a Lag to predict revenue