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The first eleven pupils in a class scored the following marks in a mathematics test: 95, 50, 48, 63, 58, 75, 48, 44, 58, 84, 48.
Class: KCPE
Subject: Mathematics
Topic: Averages,tables,graphs and pie charts
Lesson Summary
The first eleven pupils in a class scored the following marks in a mathematics test:
95, 50, 48, 63, 58, 75, 48, 44, 58, 84, 48.
Their teacher worked out the mean, mode and median of these marks.
Which one of the following gives the mean, mode and median in that order?
b>A.61, 58, 48
B.61, 48, 58
C.58, 61, 48
D.48, 58, 61
Text Answer
Mode is the number repeated most times. In this case 48 is repeated most times (3 times). Hence mode = 48
Median is the number in the middle when the given numbers are arranged in descending order, i.e from the lowest to the highest or vice versa. Arranged in ascending order the numbers are:
44, 48, 48, 48, 50, 58, 58, 63, 75, 84, 95
Hence median = 58 which is the number in the middle.
Required order of mean, mode and median is: 61, 48, 58
The correct answer is B (61, 48, 58)
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