1.

Find the mean and variance for the following frequencydistribution. Classes 0-10 10-20 20-30 30-40 40-50 Frequencies 5 8 15 16 6

Answer»

Find the mean and variance for the following frequency
distribution.




















Classes



0-10



10-20



20-30



30-40



40-50



Frequencies



5



8



15



16



6





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