Question

3.1: measures of center. mean, median and mode. calculate the median of the data shown, to two decimal places x 30 17.7 22.2 12.7 26.8

Explanation:

Step1: Arrange data in ascending order

$12.7, 17.7, 22.2, 26.8, 30$

Step2: Find the middle - value

Since there are 5 (an odd number) data points, the median is the 3rd value.

Answer:

$22.20$