In “More than Ogive curve”, we consider in drawing …………

Median = $ll$ + $\left[\frac{(\frac{n}{2}-cf)}{f}\right]\backslash left[\backslash frac\{(\backslash frac\{n\}\{2\}-cf)\}\{f\}\backslash right]$ h, where cf = …………

Range of first 5 natural numbers

Class interval of inclusive class 1 – 10 is

In a data maximum value = x; minimum value = y. Then range =........

Mid value of the class 10 – 20 is

The class interval of the classes 0 – 7, 7 – 14,14 – 21 ………………….etc.,is

The mean of a – 2, a, a + 2 is …………

The sum of all deviations taken from Mean =

A data arranged in descending order has 25 observations. Which observation represents the median ?