Average of odd numbers from 100 to 168




What is the average of odd numbers from 100 to 168? Here we will show you how to calculate the average of odd numbers from 100 to 168.

To find the average of the odd numbers from 100 to 168, we first calculate how many odd numbers there are from 100 to 168. Then, we calculate the sum of odd numbers from 100 to 168. And finally, we divide the sum by the number of odd numbers to get the average.


The range is from 100 to 168, and the odd numbers within that range are from 101 to 167. Therefore, the first odd number in the sequence is 101, and the last odd number in the sequence is 167.

Step 1) Calculate the total number of odd numbers from 100 to 168
Here we calculate the total number of odd numbers from 100 to 168 by entering the first and last odd number in the sequence into our formula. Here is the formula and the math:

tot = (last - first + 2) ÷ 2
tot = (167 - 101 + 2) ÷ 2
tot = 68 ÷ 2
tot = 34
Total odd numbers from 100 to 168 = 34

Step 2) Calculate the sum of odd numbers from 100 to 168
To calculate the sum of odd numbers from 100 to 168, you enter the total odd numbers (tot) from Step 1 and the first odd number in the sequence into our formula. Here is the formula and the math:

sum = (tot ÷ 2) × (2 × first + (2 × (tot - 1))
sum = (34 ÷ 2) × (2 × 101 + (2 × (34 - 1))
sum = 17 × (202 + 66)
sum = 17 × 268
sum = 4556
Sum of odd numbers from 100 to 168 = 4556

Step 3) Calculate the average of odd numbers from 100 to 168
Almost done! Now we can calculate the average of odd numbers from 100 to 168 by dividing the sum of odd numbers from Step 2 by the total odd numbers from Step 1. Here is the formula, the math, and the answer:

Average = sum ÷ tot
Average = 4556 ÷ 34
Average = 134
Average of odd numbers from 100 to 168 = 134


Average of Odd Numbers Calculator
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