Question

Find the mode of the distribution.
0-20
20-40
40-60
60-80
80-100
Life time in
hours)
Frequency
15
10
35
50
70​

Answer 1

Step-by-step explanation:

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Class 10

>>Maths

>>Statistics

>>Mode of Grouped Data

>>Find the mode of the following data:Clas

Question

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Find the mode of the following data:

Class: 0−20 20−40 40−60 60−80 80−100 100−120 120−140

Frequency: 6 8 10 12 6 5 3

Medium

Updated on : 2022-09-05

Solution

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C.I F

i

0−20

20−40

40−60

60−80

80−100

100−120

120−140 6

8

10

12

6

5

3

Highest frequency =12

Modal class =60−80

l=60,F

0

=10,F

1

=12,F

2

=6,h=20

Mode =l+(

2F

1

−F

0

−F

2

F

1

−F

0

)×h

=60+

2×12−10−6

12−10

×20

=60+

8

2

×20=60+5=65

Mode =65