The scatterplot below displays the total home attendance (in millions)for major league baseball's National League for the years 1960 through 2002.This total home attendance is the grand total of all attendees at all National League games during the season.For what range of years is a linear model appropriate?
A)A linear model should not be used for any part of the data set.
B)A single linear model is appropriate for the entire data set.
C)One linear model for 1960 through 1995 and another linear model for 1995 through 2002.
D)A linear model should be used for each pair of adjacent data points.
E)None of these

Question

The scatterplot below displays the total home attendance (in millions)for major league baseball's National League for the years 1960 through 2002.This total home attendance is the grand total of all attendees at all National League games during the season.For what range of years is a linear model appropriate? 
A)A linear model should not be used for any part of the data set. 
B)A single linear model is appropriate for the entire data set. 
C)One linear model for 1960 through 1995 and another linear model for 1995 through 2002. 
D)A linear model should be used for each pair of adjacent data points. 
E)None of these

Quizplus · Accepted Answer

Looking at the scatterplot, we can see that the data points from 1960 to 1995 form a somewhat linear pattern, but the pattern changes from 1995 to 2002. Therefore, it is appropriate to use one linear model for 1960-1995 and another for 1995-2002.

The Scatterplot Below Displays the Total Home Attendance (In Millions)for