Explanation:

Media

all WifE

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Value of the middlemost observation.

• If n(number of observations) is odd, Median =[(n+1)/2]th observation.

• If n is even, the Median is the mean or average of (n/2)th and [(n+1)/2]th observation.

Mode

• The most frequently occurring observation is called the mode.

• The class interval with the highest frequency is the modal class