Task $1.$

The following samples are provided.

Find:

a$)$ Create an equation for the quantitative numerical regression model.

$).$ Create a numerical regression model equation for the number od landline subscirbes.

Task $2$

Amount of fruit sold in th $12$ days at a small friut stall

a$.$ Using the two$-$period moving average method, how much friu will be sold each day

form day $3?$

b$.$ Using the four$-$period moving average method, how many fruits will be sold each day

form day $5?$