Question

Find the Mean ( Direct, Assumed mean and Step deviation Method), Median and Mode of

the following data:

Classes 0-50 50-100 100-150 150-200 200-250 250-300 300-350

Frequency 2 3 5 6 5 3 1​

Answer 1

Answer:

mean=sumof minimumand maximum/ no. of classes =

0+350/7=50