Math, asked by girllily776, 3 months ago

find mean for the following

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Answered by Anonymous

1

Answer:

Mean = 30

Step-by-step explanation:

We found the sum of all the frequencies and the sum of all the class marks and frequencies, we got

fixi = 600

fi = 20

we know that,

mean = fixi/fi

mean = 600/20

mean = 30

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