Standard Deviation Formula

What is Standard Deviation?
Standard deviation is the root of sum of the squares of deviations divided by their numbers. It is also called ‘Mean

Measures Of Dispersion

In the previous articles we studied about, the tendency of data to cluster around a figure which is in the central location, in following articles

Mean Median Mode

Advantages and Disadvantages of Mean Median Mode
Here we will get to know about the advantages and disadvantages of mean median mode. Consider the disadvantages

Mode

Mode Math In Statistics
Here we will learn mode math using mode formula. It is the value which occurs with the maximum frequency. It is

Median

Median (Positional Average)
Before discussing about the Median Calculation formula, let us first try to understand what ‘Median’ actually stands for. Median of distribution is

Harmonic Mean

Harmonic Mean
Today we will learn Harmonic Mean Formula With Example. It is the total number of items of a value divided by the sum