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Find the mean, variance and standard deviation using short-cut method Height in cm70−7575−8080−8585−9090−9595−100100−105105−110110−115No. of children3477159663 |
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Answer» Find the mean, variance and standard deviation using short-cut method Height in cm70−7575−8080−8585−9090−9595−100100−105105−110110−115No. of children3477159663 |
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