Answer:
Linear regression is the relationship between two variables x and y
One variable is dependent and the other one is explanatory variable
Regression line equation is shown in the attachment please have a look at it.
Table and graph is shown in the file attached.
[tex]R^2\text{is the regression over two variables}[/tex]
x represents the number of days prom tickets have been on sale.
y represents total number of tickets sold.
