Question

formulas of
mean,median and mode
for class 10​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

The Mean, Median and Mode are the three measures of central tendency. Mean is the arithmetic average of a data set. This is found by adding the numbers in a data set and dividing by the number of observations in the data set. The median is the middle number in a data set when the numbers are listed in either ascending or descending order. The mode is the value that occurs the most often in a data set and the range is the difference between the highest and lowest values in a data set.

Step-by-step explanation:

Here,

∑ represents the summation

X represents observations

N represents the number of observations .

The Median

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

Median=(n+12)thobservation

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

Median=(n2)thobservation+(n2+1)thobservation2

The Mode

the mode is the most Freaqvently occurring value