Question

1. Following are the marks for 21 members of a group (marks out of 50):
35, 16, 28, 42, 46, 35,49, 22, 31, 35, 40, 18, 35, 40, 38, 35, 14, 26, 48, 35, 38
Find the range, mean, median and mode of the data.​

Answer 1

mean= sum of all marks/ total number of students

= 33.6

median= mid number when arranged in increasing or decreasing order.