Calculate the Average of Three Numbers: 2, 5, and 9

Question

Calculate the average

of 2,5, 2,5, and 9 9 .

Video Solution

Step-by-Step Solution

To solve for the average of the numbers 2, 5, and 9, we will follow these steps:

  • Step 1: Add the numbers together.
  • Step 2: Count the number of values.
  • Step 3: Divide the sum by the count to find the average.

We start by calculating the sum of the numbers:

2+5+9=16 2 + 5 + 9 = 16

Next, we count the number of values, which is 3.

Now, we calculate the average using the formula for the arithmetic mean:

Average=163=513\text{Average} = \frac{16}{3} = 5\frac{1}{3}

Therefore, the average of the numbers 2, 5, and 9 is 513 5\frac{1}{3} .

This matches choice 2 from the provided options.

Answer

513 5\frac{1}{3}