What is the Average of Odd Composite Numbers between 20 and 80?
getcalc.com's odd numbers average calculator to find what is the mean or average of odd composite numbers between 20 and 80.
49.125 is an average of numbers between 20 and 80 mentioned in the below table, by substituting the total sum and count of numbers in the below formula. The corresponding formulas, chart, examples and workout may help students, teachers or professionals to learn, teach or execute the average of odd numbers between 20 and 80.
Numbers Chart
The below is the complete list of odd numbers between 20 and 80 for user reference.
| 20 to 80 Odd Composite Numbers Chart (21 - 77) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 21 | 25 | 27 | 33 | 35 | 39 | 45 | 49 | 51 | 55 |
| 57 | 63 | 65 | 69 | 75 | 77 | ||||
How to Find the Average of Odd Composite Numbers between 20 and 80?
The below workout with step by step calculation shows how to find what is the average of odd composite numbers between 20 and 80 manually.
step 1 Address the formula and input values.
Formula: Average = Total Sum of Numbers / Total Count of Numbers
Input values:
The odd composite numbers between 20 and 80 are
21, 25, 27, 33, . . . . , 69, 75, 77
Total Count of Numbers = 16
step 2 Find the sum of odd composite numbers between 20 and 80.
sum = 21 + 25 + 27 + . . . . + 75 + 77
= 786
step 3 Divide the sum by 16
Average = 786/16
= 49.125
49.125 is an average of odd composite numbers between 20 and 80.
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