Find Mean, Median, Mode & Range

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1. Mean

Q: Find the mean of the numbers: 8, 12, 10, 15, 5

Solⁿ:
First, add all the numbers:
8 + 12 + 10 + 15 + 5 = 50

Then, count the total number of values:
n = 5

Now find the mean:
Mean = 50 ÷ 5 = 10

Ans: 10

2. Median

Q: Find the median of: 7, 2, 9, 5, 1

Solⁿ:
First, arrange the numbers in ascending order: 1, 2, 5, 7, 9

Now find the middle number: Median = 5

Ans: 5

3. Mode

Q: Find the mode of: 4, 6, 2, 6, 8, 6, 5

Solⁿ:
Count frequency of each number:
2 → 1 time
4 → 1 time
5 → 1 time
6 → 3 times
8 → 1 time

The number occurring most frequently is 6.

Ans: 6

4. Range

Q: Find the range of: 14, 18, 9, 22, 11

Solⁿ:
First, find the greatest number: 22
Then, find the smallest number: 9

Now subtract: Range = 22 − 9 = 13

Ans: 13