Question

The owner of a busy coffee shop wanted to see if it was worth keeping tea on the menu. She logged the number of cups of tea she sold each day for seven days. 6 12 5 7 7 3 9


Calculate the mean, median, range, and midrange of the number of cups of tea sold for the week.


Mean, 7
; Median, 7
; Range, 9
; Midrange, 7.5


Mean, 7
; Median, 9
; Range, 7.5
; Midrange, 7


Mean, 9
; Median, 7.5
; Range, 7
; Midrange, 7


Mean, 7.5
; Median, 7
; Range, 7
; Midrange, 9

Answer 1

Sort: 3, 5, 6, 7, 7, 9, 12. Sum = 49, n = 7.

- Mean = 49/7 = 7
- Median = middle value = 7
- Range = 12 − 3 = 9
- Midrange = (12 + 3)/2 = 7.5

So the correct choice is: Mean 7; Median 7; Range 9; Midrange 7.5.