Question

1. The raw scores of 20 students of Whitesands School who took part in an examination in Economics are given below. The pass marks is
40%
38 28 70 43
39 20 64 66
12 46 52 53
20 34 48 69
18 20 64 34
(a) What is the mean score of the students’ marks?
(b) How many students passed the examination?
© What percentage of the students failed the examination?
(d) What is the range of the scores?
(e) How many students scored below the mean score?

Answer 1

a) mean score 12

b) Passed 10

c) failed l0

d)