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What is the mean of: 3.7, 5, 9.2, 4, 6.1, 5, 2.6, 4, 5.2, 5?

6.6

4

4.5

4.88

1 answer

To find the mean of the numbers, you need to follow these steps:

  1. Add all the numbers together: \( 3.7 + 5 + 9.2 + 4 + 6.1 + 5 + 2.6 + 4 + 5.2 + 5 = 44.8 \)

  2. Count how many numbers there are: There are 10 numbers in total.

  3. Divide the sum by the count: \( \text{Mean} = \frac{44.8}{10} = 4.48 \)

The mean of the given numbers is 4.48, which is closest to 4.5 in your provided options.