Select the correct answer. The table gives the weekly sales of a car dealer for the first 26 weeks of the sales year.

What is the point estimate for the number of cars sold per week for a sample consisting of the following weeks: 1, 3, 5, 7, 10, 13, 14, 17, 19, 21?

A. 4.8
B. 5.22
C. 6.38
D. 6.1

(for those on mobile who cannot see the last number in the table under "cars sold", it's 3)