Can we count that how many times 2 has appeared?

Can we recall that the cumulative frequency is the sum total of all previous frequencies.

Can we recall that the width is difference between upper and lower limit?

Can we recall the formula of the class mark or mid point?

Can we recall that the cumulative frequency is the sum total of all previous frequencies.

Let us recall that the class interval is the difference between upper limit and lower limit.

Can we find the upper limit by using the inverse operation?

Can we take any centre value for a, i.e. Assumed mean

Can we recall that the width is difference between upper and lower limit?

Write the given series in the ascending order.