The marketing team at an internet music site wants a better understanding of who

Question

The marketing team at an internet music site wants a better understanding of who their customers are. They send out a survey to 25 customers asking for demographic information. One of the variables is the customer's age. For the 25 customers, the ages and a histogram 20133133128131 of those ages are shown to the right. Complete parts a) through c). 10 32 31 13 2811 36 22 43 4825 3 25 22 31 36 33 5 36 42444348 25 50 Age a) Would you expect the mean age to be smaller than, bigger than, or about the same size as the median? Explain. A. The mean age should be about the same size as the median because the distribution is roughly symmetric. O B. The mean age should be smaller than the median because the distribution is skewed to the left. ° C. The mean age should be bigger than the median because the distribution is skewed to the right. b) Find the mean age The mean is

Explanation / Answer

Solution:

Here we can see Histogram is almost roughly symmetric. And we know in symmetric distribution, mean and median are almost same.

Hence here option A is correct.

(b) For the given data mean = 31.76

We can calculate it using excel function, =AVERAGE(_data_)

Done

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