WAEC - Mathematics (2016 - No. 31)
The marks of eight students in a test are: 3, 10, 4, 5, 14, 13, 16 and 7. Find the range
16
14
13
11
คำอธิบาย
First, arrange the marks in order of magnitude; 3, 4, 5, 7, 10, 13, 14, 16
Hence range = 16 - 3 = 13
Hence range = 16 - 3 = 13