A consumer research group examining the relationship between the price of meat (per pound) and fat content (in grams) gathered data that produced the following scatterplot. If the point in the lower left hand corner (2 grams of fat; $3.00 per pound) is removed, the
Correlation would most likely
A)remain the same.
B)become positive.
C)become weaker negative.
D)become stronger negative.
E)become zero.

Question

A consumer research group examining the relationship between the price of meat (per pound) and fat content (in grams) gathered data that produced the following scatterplot.  If the point in the lower left hand corner (2 grams of fat; $3.00 per pound) is removed, the
Correlation would most likely
A)remain the same. 
B)become positive. 
C)become weaker negative. 
D)become stronger negative. 
E)become zero.

Quizplus · Accepted Answer

The point in the lower left hand corner is an outlier and has a strong negative influence on the correlation. Removing it would strengthen the negative correlation, as the remaining points would cluster more closely together along the negative slope of the scatterplot.

A Consumer Research Group Examining the Relationship Between the Price