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Frequency
distribution
Subject-Math'S
School-Kendriya Vidyalaya
frequency !!
• Frequency, terM uSed in the
phySical ScienceS to denote
the nuMber oF tiMeS that any
regularly recurring
phenoMenon occurS in one
Second.
Class intervals !!
• Class Interval, In statIstICs, the
range of eaCh Class of data, used
when dealIng wIth large amounts
of data. to obtaIn an Idea of the
dIstrIbutIon, the data are broken
down Into ConvenIent Classes, whICh
must be mutually exClusIve and
are usually equal.
• for, example - 1-10,10-20,20-30.
Tally marks !!
• To get a particular information from the
given data can be arranged in tabular form
using tally marks
Frequency distribution table !!
• A frequency-distribution tAble
summArizes dAtA
for, exAmple-

subject
mAth
science
english
hindi

tAlly mArks

mArks
5
10
4
2
Example question construct A frequency
distribution tAble for the
given dAtA on weight (in kg)
of 20 student of A clAss using
intervAls 30-40,40-50,50-60.
30-40,40-50,50-60
Answer Class
intervals
30-40

tally
marks

frequenCy
7

40-50

9

50-60

2

60-70

2
THANKS FOR YOUR
KIND
CONSIDERATION
made. By –ajay kumar

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Frequency distribution