Question

Write the formula of in continuous series.

Answer 1

Continuous series means where frequencies are given along with the value of the variable in the form of class intervals.

For example. Here: ... (iv) Adding both the limits and taking their average, we get midpoint of the class interval. The mid-value of 20-30 is ; 20+30/2 = 25.

Answer 2

Value of variable corresponding to that term is the value of Median. Calculation of Median in Discrete Series: After arranging the terms, taking cumulative frequencies, we take (N+1/2) and then calculate. ... (4) Find that total in the cumulative frequency column which is equal (N + 1/2)th or nearer to that value.