A Scatter Diagram Is Given with One of the Points

question 66

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.