Test scoreWeekly sales (in millions)n=7

Mr. Amber813

Mr. Archer614

Ms Smith59

Mr. Malcolm1012

Mr. Goodwin911

Ms. Bly710

Ms.Rain415

Use x=5 for Part III of the regression problem (prediction interval).

What is the regression equation that can be estimated from this data? (i.e. of the form y^1=a+bx where y^1 stands for the predicted). What is the standard error of the estimate? Construct 90% confidence intervals for the mean value of y given that x=4.