Below is some hypothetical data that shows the Rating (an index of how many peoplewatch the show) and Average Cost for a 30-second advertisement for a number of gameshows:

GAME SHOW Rating Average Cost for a 30Second Ad ($)

Is That Real Hair? 18.2 $55,000

Feng Shui Happy Booth 8.4 $20,000

Love Signals! 13.6 $26,000

How Many Worms? 11.9 $39,000

Spin the Bottle 9.0 $11,000

Wake that Possum! 22.6 $75,000

Sit on a Potato 3.5 $10,000

Name that Fruit! 2.1 $5,000

The $2.00 Question 4.6 $19,000

Requirements:

A. Sketch the scatterplot with the least-squares line, and sketch the residual plot.Interpret your sketch. Remember, use robbery rate as the response variable,since that's the value you're trying to predict.

B. Write and interpret the correlation coefficient.

C. Write the regression equation and interpret the regression coefficient.

D. Show and interpret the coefficient of determination.

E. State whether you think there is a relationship between the two variables, andjustify your answer.Within the sample data, is an increase in ratings associated with an increasethe average cost for a 30-second ad? If so, how much?

Answer rating: 100% (QA)

A The scatterplot with leastsquare line for the data is obtained as follows It can be observed that ... View the full answer