Sixty-five randomly selected car salespersons were asked the number of cars they

Question

Sixty-five randomly selected car salespersons were asked the number of cars they generally sell in one week. Fourteen people answered that they generally sell two cars; nineteen generally sell three cars; twelve generally sell four cars; nine generally sell five cars; eleven generally sell six cars. Calculate the following. (Round your answer to two decimal places.) sample mean = x bar
x bar = ____ cars
Sixty-five randomly selected car salespersons were asked the number of cars they generally sell in one week. Fourteen people answered that they generally sell two cars; nineteen generally sell three cars; twelve generally sell four cars; nine generally sell five cars; eleven generally sell six cars. Calculate the following. (Round your answer to two decimal places.) sample mean = x bar
x bar = ____ cars
Sixty-five randomly selected car salespersons were asked the number of cars they generally sell in one week. Fourteen people answered that they generally sell two cars; nineteen generally sell three cars; twelve generally sell four cars; nine generally sell five cars; eleven generally sell six cars. Calculate the following. (Round your answer to two decimal places.) sample mean = x bar
x bar = ____ cars

Explanation / Answer

x_bar = Sum( x * cars sold by x) / sum(x) = [14*2+19*3+12*4+9*5+11*6] /65 = 3.75

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