A Scatter Diagram Is Given with One of the Points

Multiple Choice

A scatter diagram is given with one of the points labeled ʺA.ʺ In addition, there are two least -squares regression lines
drawn. The solid line excludes the point A. The dashed line includes the point A. Based on the graph, is the point A
influential
-An influential observation is an observation that significantly affects the value of the

A) the slope of the least squares regression line.
B) the mean of the response variable.
C) the median of the predictor variable.
D) the median of the response variable.