The arithmetic mean of four numbers is 2.5 and the arithmetic mean of the other two numbers
| March 1, 2021 | education
The arithmetic mean of four numbers is 2.5 and the arithmetic mean of the other two numbers is 1.75 find the arithmetic mean of these six numbers.
First, find the sum of the first 4 numbers.
To do this, we multiply the arithmetic mean by the number of numbers.
4 * 2.5 = 10.
Determine the sum of the other two numbers.
2 * 1.75 = 3.5.
Determine the sum of all six numbers.
To do this, add 10 and 3.5.
We get:
10 + 3.5 = 13.5.
Find the arithmetic mean of all six numbers.
Divide 13.5 by 6.
Will be:
13.5 / 6 = 2.25.
Answer:
The arithmetic mean is 2.25.
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