The following data represent 11 observations of two quantitative variables: x contact hours with client, y
Question:
The following data represent 11 observations of two quantitative variables:
x contact hours with client, y profit generated from client.
x y x y x y x y 45 2,345 54 3,811 34 700 24 1,975 56 4,200 24 2,406 45 3,457 32 206 26 278 23 3,250 47 2,478
a. Construct a scatter plot of the data. Indicate whether the plot suggests a linear or nonlinear relationship between the dependent and independent variables.
b. Determine how much influence one data point will have on your perception of the relationship between the independent and dependent variables by deleting the data point with the smallest x value. What appears to be the relationship between the dependent and independent variables?
Step by Step Answer:
Business Statistics A Decision Making Approach
ISBN: 9780136121015
8th Edition
Authors: David F. Groebner, Patrick W. Shannon, Phillip C. Fry, Kent D. Smith