The scatterplot below shows the percentage of the US population that is foreign born for the years 1910 - 1990.For what range of years is a linear model appropriate?
A)One linear model is appropriate for the years 1910 through 1950 and another linear model for the years 1950 through 1990.
B)A linear model should be used for each pair of adjacent data points.
C)One linear model is appropriate for the years 1910 through 1970 and another linear model for the years 1970 through 1990.
D)A linear model should not be used for any part of the data.
E)A single linear model is appropriate for the entire data set.

Question

The scatterplot below shows the percentage of the US population that is foreign born for the years 1910 - 1990.For what range of years is a linear model appropriate? 
A)One linear model is appropriate for the years 1910 through 1950 and another linear model for the years 1950 through 1990. 
B)A linear model should be used for each pair of adjacent data points. 
C)One linear model is appropriate for the years 1910 through 1970 and another linear model for the years 1970 through 1990. 
D)A linear model should not be used for any part of the data. 
E)A single linear model is appropriate for the entire data set.

Quizplus · Accepted Answer

The Answer is C

The Scatterplot Below Shows the Percentage of the US Population