Use the following information to calculate your answers to questions 29 through 33.

Provided below is a partial computer output based on a sample of 12 observations relating the number of personal computers sold by a computer shop per month (Y), unit price (X₁ in $1,000) and the number of advertising spots (X₂) they used on a local television station.

What is the multiple coefficient of determination?

Select one:

a. 0.734

b. 3.585

c. 0.218

d. 0.279

e. 0.782