Determine Whether the statistics are descriptive or inferential and why.

a. Of the 33 students in this class, 9 or 27%, are left-handed.

b. On the last three weekends, a salesman sold 2, 1, and 0 new cars respectively, so the salesman averaged 1 new car sold over the three weekends.

c. On the last 3 weekends, a salesman sold 2, 1 and 0 new cars respectively, so the salesman never sells more than 2 cars on a weekend.