The data below is about: x = advertising share and y = market share for a particular shoe brand during 10 randomly selected years. ***You will be using this data in another question...do both questions before clearing your calculator.*** x .103 .072 .071 .077 .086 .047 .060 .050 .070 .052
y .135 .125 .120 .086 .079 .076 .065 .059 .051 .039
Is linear regression appropriate for describing this relationship?

What is the equation of the estimated regression line?

Predict the market share when the advertising share is 0.09.

What is the value of the coefficient of determination?

What is the point estimate of σ (se)?

How many degrees of freedom are your calculations based on?