Math, asked by vatikakumari7683, 5 months ago

If the mean of the following frequency distribution is 65 , find the value of R

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Answered by Anonymous

2

Step-by-step explanation:

mean= sum of observations / no of observations

65= 4+5+3+R+2/5

65×5=14+R

325-14=R

311=R

correct me if I'm wrong..

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