Question

The dot plot shows the number of magazines sold. Determine the median of the data set.

A) 17

B) 19
C) 20
D) 23

Answer 1

20

Explanation:

Median is the middle value

Median position: (15+1)/2 = 16/2

= 8th value

Read in ascending or descending order, 8th value is 20

Answer 2

C) 20

Explanation:

The median is the middle most number of the dataset.

17 18 18 19 20 20 20 20 20 23 23 23 24 25 25

20 is the middle most number. The median is 20.