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Solution - Mode of Grouped Data

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Question

A student noted the number of cars passing through a spot on a road for 100 periods each of 3 minutes and summarised it in the table given below. Find the mode of the data:

Number of cars 0 − 10 10 − 20 20 − 30 30 − 40 40 − 50 50 − 60 60 − 70 70 − 80
Frequency 7 14 13 12 20 11 15 8

Solution

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The following data gives the information on the observed lifetimes (in hours) of 225 electrical components:

Lifetimes (in hours) 0 − 20 20 − 40 40 − 60 60 − 80 80 − 100 100 − 120
Frequency 10 35 52 61 38 29

Determine the modal lifetimes of the components.

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The given distribution shows the number of runs scored by some top batsmen of the world in one-day international cricket matches

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3000 − 4000 4
4000 − 5000 18
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Find the mode of the data.

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1500 − 2000 40
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2500 − 3000 28
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3500 − 4000 22
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The following table shows the ages of the patients admitted in a hospital during a year:

age (in years)

5 − 15

15 − 25

25 − 35

35 − 45

45 − 55

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Number of patients

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Find the mode and the mean of the data given above. Compare and interpret the two measures of central tendency.

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The following distribution gives the state-wise teacher-student ratio in higher secondary schools of India. Find the mode and mean of this data. Interpret the two measures

 

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25 − 30

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Reference Material

Solution for concept: Mode of Grouped Data. For the course 8th-10th CBSE
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