Question

formulas of Mean Median and mode

Answer 1

The Mean

x¯¯¯=∑xNx¯=∑xN

Here,
∑∑ represents the summation
X represents scores
N represents number of scores.

The Median

If the total number of numbers(n) is an odd number, then the formula is given below:

Median=(n+1n)thtermMedian=(n+1n)thterm

If the total number of the numbers(n) is an even number, then the formula is given below:

Median=(n2)thterm+(n2+1)thterm2Median=(n2)thterm+(n2+1)thterm2

The Mode

The mode is the most frequently occuring score or value.

Answer 2

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