Refer to the mall visits histogram in part c of Exercise 77 and complete the sentences below with the proper number. You don’t need to make any detailed calculations.
Choose the most “reasonable” answer.
a. The mean number of previous mall visits for recent customers is approximately
i) 2
ii) 7
iii) 12
iv) 18
b. The median number of previous mall visits for recent customers is approximately
i) 3
ii) 7
iii) 12
iv) 16
c. The standard deviation of the mall visits distribution is approximately
i) 2
ii) 4
iii) 6
iv) 13