To know the difference between average and mean, you must understand the main point which separates them. There are several points that you need to understand and for a detailed explanation along with examples, keep reading this blog till the end. Here you will find questions to sharpen your question-understanding and solving skills. The questions often come in banking, management, law and government exams like UPSC, CDS, NDA or AFCAT.
Difference Between Average and Mean
The difference between these two is demonstrated in the given table.
Average | Mean |
Average is a broader term that includes mean, mode and median, mode. | Mean specifically refers to the arithmetic average, which is the sum of a set of numbers divided by the count of those numbers |
Average can be calculated for any discrete numbers where it assumes uniform distribution. | Mean is always calculated by summing all the values in a dataset and dividing by the number of values. |
The term average is more general and can be used in different contexts where you want to describe a central tendency. | Mean is a specific measure of central tendency and is commonly used in statistical analysis and mathematics |
It can give us the median and the mode. | It cannot give us the median and mode. |
In a nutshell, average is a broader term that can refer to various types of central tendency measures, while mean specifically targets the arithmetic average calculated by summing values and dividing by the count of values.
Definition of Average and Mean
Average: When we talk about an “average,” we’re talking about a number that tries to show what a group of numbers is like. To find the average, you add up all the numbers in the group and then divide that total by how many numbers there are. This is also called the “arithmetic mean.” Let’s use a simple set of numbers to find the average.
Here, are the set of values i.e. 1, 2, 3, 4, 5.
Average = Sum of all the values/ Total number of values
Average = (1 + 2 + 3 + 4 +5)/5 = 15/5 = 3
Mean: A mean is like the middle number you get when you add up a bunch of numbers and divide by how many there are.
Also Read: 50+ Questions of Verbal Classification Reasoning with Answers
Average and Mean: Solved Questions
Solution:
Given, 1, 1, 2, 3, 4
Mean = Sum of observation/Total number of observations
= (1 + 1 + 2 + 3 + 4)/5
= 2.2
Solution:
Given, 1, 1, 2, 3, 4 is the set of observations.
Median = Middle-most value = 2
Mode = Most repeated value = 1
Solution: The formula for finding the average is the Sum of the Numbers/Number of Units
Sum of the numbers = 3 + 6 +14 + 18 + 20 + 35 + 44 = 140
Number of units = 7
Therefore, Average = Sum of Numbers/Number of Units
= 140/7
= 20
Hence, the average of the set of numbers is 20.
Solution: Average of 4 terms = 20
Hence, the total sum of 4 terms = 80
Let terms be A,B,C,D
So, the sum will be A+B+C+D =80
Given, 3A = B+C+D
So, 4A = 80,
A = 20
Solution: Total score for 9 innings is 75×9 = 675
Total score after 10th innings = 675 + 100 = 775
So, average = 775 / 10 = 77.5
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