Using the same graph presented in the previous question, find the least squares regression line of the data below using the regression feature of a graphing utility. Then, find the average lengths of cellular calls for the year 2013.
A. 242.88 minutes
B. 4.08 minutes
C. 3.48 minutes
D. 3.97 minutes
Answer:B
Using the same graph presented in the previous question, find the least squares regression line of the data below using the regression feature of a graphing utility. Then, find the average lengths of cellular calls for the year 2013.
A. 242.88 minutes B. 4.08 minutes C. 3.48 minutes D. 3.97 minutes