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Course: Class 10 (Old) > Unit 13

Lesson 1: Mean, median, mode of grouped data
Math
Class 10 (Old)
Statistics
Mean, median, mode of grouped data
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Mean of grouped data

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Problem

The table below gives the distance covered (in km) to reach office by 20 people surveyed.
Distance covered (in km) by 20 people
Distance (in km)Number of people
2−103
10−188
18−265
26−344
Find the mean distance covered to reach office by each person surveyed.
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3/5
  • a simplified improper fraction, like 7/4
  • a mixed number, like 1 3/4
  • an exact decimal, like 0.75
  • a multiple of pi, like 12 pi or 2/3 pi
km