Chapter 2, Problem 46P

Use the following information to answer the next three exercises: Sixty-five randomly selected car salespersons were asked the number of cars they generally sell in one week. Fouteen people answered that they genetally sell thiee cars; nineeen genet ally sell four cars; twelve generally sell five cars; nine geneiallv sell six cars; eleven generally sell seven cats. Calculate the following:

46. sample mean = x =