Question: I need answer quickly please Q3) Calculate the Standard deviation of the grouped data shown in the frequency table below: 1 Classes frequency 3 50

I need answer quickly please Q3) Calculate the Standard deviation of the I need answer quickly please

Q3) Calculate the Standard deviation of the grouped data shown in the frequency table below: 1 Classes frequency 3 50 - 59 60-69 5 70 - 79 9 80 - 89 12 90-99 8 Q3) Calculate the Standard deviation of the grouped data shown in the frequency table below: 1 Classes frequency 3 50 - 59 60-69 5 70 - 79 9 80 - 89 12 90-99 8

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