Quiz

A study was done to see the relationship between the number of books that a family has in the house and the age in months that their child first learns to read.  The equation of the regression line was

        y  = -.1x + 84

There was found to be a weak moderate relationship.

A.  Sketch a possible scatterplot.

B.  Interpret the number 84 in the context of the problem.

C.  Interpret the number -.1 in the context of the problem.