# Primary share earnings

67. The following data show that trailing 52 week primary share earnings and books values as reported by 10 companies(the wall Street Journal, March 13/2000).

Company -Earnings-Book Value

Am Elec -25.21 -2.69

Columbia En -23.20 -3.01

Con Ed -25.19 -3.13

Duke Energy -20.17 -2.25

Edison Int'l -13.55 -1.79

Enron Cp. -7.44 -1.27

Peco -13.61 -3.15

Pub Sv Ent -21.86 -3.29

Southn Co. -8.77 -1.86

Unicom -23.22 -2.74

a. Develop a scatter diagram for the data with book value on the x-axis.

b. What is the sample correlation coefficient, and what dose it tell you about the relationship between the earning per share and the book value?

https://brainmass.com/statistics/descriptive-statistics/21240

#### Solution Summary

67. The following data show that trailing 52 week primary share earnings and books values as reported by 10 companies(the wall Street Journal, March 13/2000).

Company -Earnings-Book Value

Am Elec -25.21 -2.69

Columbia En -23.20 -3.01

Con Ed -25.19 -3.13

Duke Energy -20.17 -2.25

Edison Int'l -13.55 -1.79

Enron Cp. -7.44 -1.27

Peco -13.61 -3.15

Pub Sv Ent -21.86 -3.29

Southn Co. -8.77 -1.86

Unicom -23.22 -2.74

a. Develop a scatter diagram for the data with book value on the x-axis.

b. What is the sample correlation coefficient, and what dose it tell you about the relationship between the earning per share and the book value?