Math, asked by amritagayen00, 1 month ago

find the mean Class 3-5, 5-7, 7-9, 9-11, 11-13
Frequency 5 10 10 7 8

Answers

Answered by kavyachallagalla06

0

Answer:

8.15

Step-by-step explanation:

sum of the fi×xi÷sum of fi

xi=4,6,8,10,12

fi×xi=20,60,80,70,96

=326÷40

=8.15

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