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# NCERT Solutions for Class 11 Statistics Chapter 5

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## NCERT Solutions for Class 11 Statistics Chapter 5 - Measures of Central Tendency

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The NCERT Solutions for Class 11 Statistics Chapter 5 provides an excellent knowledge of Statistics to the students. They provide updated and revised solutions for which well-experienced subject experts prepare the content. These are available in three different languages, namely Urdu, English, and Hindi. Students can gain knowledge along with good marks with the help of NCERT solutions.

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1. Find the mean, median, and mode for the following list of values:

13, 18, 13, 14, 13, 16, 14, 21, 13

Ans. The mean is the usual average is,Â

(13 + 18 + 13 + 14 + 13 + 16 + 14 + 21 + 13) Ã· 9 = 15

The median is the middle value, so first, we have to rewrite the list in numerical order:

13, 13, 13, 13, 14, 14, 16, 18, 21

There are nine numbers in the list, so the size is an odd number.Â

13, 13, 13, 13, 14, 14, 16, 18, 21

Hence, the median is 14.

A mode is a number that is repeated more times.

Hence, 13 is the mode.

2. What is the difference between Mean and Median?

Ans. Mean is the average of all the values given in the set. On the contrary, the median is the exact middle number when a list of values will be written in order. So both are completely different and how they have unique advantages in the field of Statistics.