Median

The median is the middle score for a set of data that has been arranged in order of magnitude.

Summary

The median is the middle score for a set of data that has been arranged in order of magnitude.

Things to Remember

  • Median is the middle value in the list of numbers.
  • To find median, place the numbers you are given in the  value order and find the middle number.

MCQs

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Subjective Questions

Q1:

Write the meaning of Society?


Type: Long Difficulty: Easy

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Answer: <p>Society is a group of people involved in a continuous social interaction or a large group of people sharing the same geographical or social territory. Societies are often explained as patterns of social relationships between individuals who share particular culture and institutions.Societies are described as the sum total of such relationship among members of the society.</p>

Q2:

Define Development in a Sentence.


Type: Short Difficulty: Easy

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Answer: <p>Development is the process of having positive changes in any part or an event constituting a new stage in a changing situation.</p>

Q3:

What is Social Development?


Type: Long Difficulty: Easy

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Answer: <p>Social development is about putting people at the center of development. It's all about the process of transformation. It is the way they interact in groups and society, and the norms that facilitate such interaction, shape development processes.</p> <p></p>

Q4:

Write the Characteristics of the Society?


Type: Long Difficulty: Easy

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Answer: <p>The Characteristics of the Society are listed below:</p> <p>The basic characteristics of a society are listed below:</p> <p>Society is dynamic as people as people are dynamic in nature.</p> <p>People of a society have mutual relationship.</p> <p>People have common goal and needs.</p> <p>Every individual protects their rights.</p> <p>People are organised with the particular objective on the basis of fixed code.</p> <p>There is an affinity, mutual interaction, activeness and unity among people.</p> <p>The prime goal is made for Social Development.</p> <p>People believe in the principle of cosmopolitanism.</p> <p>There develops a cultured network of social relation.</p> <p></p>

Q5:

Why should there be a relationship between people and Society?


Type: Long Difficulty: Easy

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Answer: <p>Society is the result of peoples' togetherness and Support. The people have unlimited needs and desires. Society is no more possible without people and people have no existence without it. So, we can conclude that, people and society have reciprocal relationship.</p>

Q6:

What is Social development?


Type: Long Difficulty: Easy

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Answer: <p>Social Development is the universal practice. It goes in its own speed. It's all about the process of transformation. It's better for the people to gear up the development process in an organised and systematic way to prosperity. It is the way they interact in groups and society, and the norms that facilitate such interaction, shape development processes.</p> <p></p>

Q7:

 What does Development bring in the Society?


Type: Long Difficulty: Easy

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Answer: <p>Development refers to the construction of road, bridge, producing capable manpower etc. It brings positivity, advancement, comfort, perfection and newness on people's life. Development is the continuous process.</p>

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Median

Median

Median

The middle value in the list of numbers is called median.If there are two middle numbers the median is the arithmetic mean of the two middle numbers. The median of a set of numbers is the number in the middle.

For example, in the set of numbers {4,6,25}, the median is 6. However, the numbers must be in order for the median to be in the middle. If there are an even number of numbers, then the median is the average of the last 2 middle numbers. There are 2 ways to find the median of a set of numbers:
Rewrite the numbers in order, then find the one in the middle Cross off the highest number, then the lowest, then the highest, lowest, on and on, until only one number is left. That number will be the median.

.

For example:

1

3

5 \(\leftarrow\) median=5

9

12

Notice that you should arrange the data in ascending order or descending order to find the median.

Examples

  1. Find the median of the following data:
    28, 6,2 5, 10, 24, 30, 12
    Solution:
    Arranging the data in ascending order
    6, 10, 12, 15, 24, 28, 30
    There are seven values. The middle value is 15.
    So, the median is 15.

  2. Find the median of the following data:
    35, 5, 30, 25, 20, 15
    Solution,
    Arranging the data in ascending order
    5, 15, 20, 25, 30, 35
    There are six values. There are two middle numbers 20 and 25
    So, median = \(\frac{20+25}{2}\) = \(\frac{45}{2}\) = 22.5

Lesson

Statistics

Subject

Compulsory Maths

Grade

Grade 8

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