Question: Researchers studied whether corporate political contribution predicted profits. From archival data, they determined how many political candidates each company supported with financial contributions, as well as each companies profit in terms of a percentage. The table shows data for 5 companies.

a. Create the scatterplot for these scores

b. Calculate the mean and standard deviation for he variable “number of candidates supported”

c. Calculate the mean and standard deviation for the variable “profit”

d. Calculate the correlation between number of candidates supported and profit.

e. Calculate the regression equation for the prediction of profit from the number of candidates supported.

f. Create a graph and draw the regression line

g. What do these data suggest about the political process?

h. What third variable might be at play here?