Answer:
a. 15
b. 11
c. 2
d. 7
e. 3
Explanation:
a. count the dots, that will be total customers surveyed = 15
b. one customer purchased 11 items - 11
c. count how many dots under 9 - 2
d. at least 5, meaning ppl buying 5 or more items, count dots greater than 5
- 7
e. Median means middle number, arrange in order
0,1,2,2,3,3,3,3,5,5,7,7,9,9,11, so middle number is : 3