Difference Between Mean, Median and Mode
Mean, Median, and Mode are ways to find the middle or central value in a set of numbers. They help summarize numerical data by calculating a single value that represents the center of the data.
In this article, we'll explore what Mean, Median, and Mode are, and how they differ from each other.
Introduction
Central Tendency is a way to find the middle or average value in a group of numbers. There are different ways to measure Central Tendency. Some common ones are Mean, Median, and Mode.
Mean
Mean is a type of central tendency that finds the average of a group of numbers. To get the mean, you add up all the numbers in the group and then divide the total by how many numbers there are.
For example: If you have a group of numbers (1, 2, 3, 4, 5), you add them up (1 + 2 + 3 + 4 + 5 = 15), then divide by how many numbers there are (5). So, 15 divided by 5 equals 3. Therefore, the mean of this set is 3.
If any number in the group changes, the mean value will also change. Mean is an important concept in math. It gives us a way to understand the average value of a set of numbers.
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Median
The median is a way to find the middle value in a set of numbers. First, you sort the numbers in order from smallest to largest. If there's an odd number of numbers, the median is the middle one. If there's an even number, you average the two middle numbers to find the median.
Steps to Calculate Median:
Step 1: Sort the numbers. Example: If your numbers are 3, 7, 9, 2, 4, 6, 8, you arrange them in order: 2, 3, 4, 6, 7, 8, 9.
Step 2: Count how many numbers there are. In our example, there are 7 numbers.
Step 3: Determine if the count is odd or even. Since we have 7 numbers (which is odd), the median is the middle number, which is 6.
Mode
The mode is the number that appears most often in a set of numbers. It's the number you see the most times.
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From the above dataset, we can say that:
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Also Check: 4X4 Matrix Determinant | Determinant of Matrix | Determinants and Matrices | Diffrence Between Circle and Sphere
So, the mode of the above data set is 80.
To calculate “Mode” we will first count the number of times each number occurs in the set of numbers. Then we will check which number has occurred the most number of times. If there are two numbers which have occurred the most then it will be considered as “Bimodal Mode”.
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From the data we have, the numbers 80 and 45 appear most frequently, each appearing three times. This makes them both the "Mode" of the dataset, known as Bimodal Mode.
The "Mode" is important in statistics because it tells us the most common value in a set of numbers. It's also useful for categorical data, like finding the most popular color among students. For example, if we survey students' favorite colors, the Mode would be the color that most students like the best.
Difference Between Mean, Median and Mode
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Frequently Asked Questions on Difference Between Mean, Median and Mode
The average of a set of numbers, known as the mean, is calculated by adding all the numbers together and dividing by how many numbers there are. The median is the middle number in a set when the numbers are placed in order from smallest to largest. The mode is the number that appears most frequently in a set of data.
The arithmetic mean is calculated by adding up all the numbers in a list and then dividing that total by how many numbers are in the list. It's what people usually mean when they talk about an average. The median is the middle number in a list that's been arranged from smallest to largest. The mode is the number that appears most often in the list.
Mode = 3 median - 2 mean. The empirical relationship between Mean, Median and Mode is: Mode = 3 median - 2 mean.
The formula of Mean, Median and Mode is: Mode = 3 median - 2 mean.