California Assessment of Student Performance and Progress (CAASPP) Math Practice Exam

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What is the average of the following set: 2, 4, 6, 8, 10?

  1. 8

  2. 5

  3. 6

  4. 7

The correct answer is: 6

To find the average of a set of numbers, you add all the numbers together and then divide by the total count of numbers. In this case, the set is 2, 4, 6, 8, 10. First, add these numbers: 2 + 4 + 6 + 8 + 10 = 30. Next, count how many numbers are in the set. There are 5 numbers. Now, divide the total sum by the count: 30 ÷ 5 = 6. Thus, the average of the set is 6, which is why this answer is correct. The calculation demonstrates a fundamental mathematical principle of finding an average, and 6 is the central value that represents the data set effectively.

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