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The sum of 8 numbers is 336. Find their average number.
42
40
41
43
42
To find the average of 8 numbers, divide 336 by 8. Think: 336 / 8 = (320 + 16) / 8 = 40 + 2 = 42.
Sum of 8 numbers is 336. Number of items (n) = 8.
Average=Total number of itemsSum of numbers
To find the average of 8 numbers, divide 336 by 8. Think: 336 / 8 = (320 + 16) / 8 = 40 + 2 = 42.
Confusing the 'sum' with the 'average' or performing division errors (e.g., calculating 336/6 instead of 336/8).
Identify the given values
We are given the sum of the numbers as 336 and the count of the numbers as 8.
Sum=336,Count=8
Apply the average formula
The average is defined as the total sum divided by the number of items.
Average=8336
Calculate the result
Dividing 336 by 8: 336÷8=42.
Average=42
A is correct because the quotient of 336 divided by 8 is 42.
This formula is foundational for Statistics, Data Interpretation, and calculating Mean Speed in Physics.
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