The data set {6, 9, 3, 3, 12, 9} has what mean?

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Prepare for the Praxis Elementary Education Mathematics Test. Engage with flashcards and multiple choice questions, each with hints and explanations. Enhance your chances for exam success!

Multiple Choice

The data set {6, 9, 3, 3, 12, 9} has what mean?

Explanation:
The mean is the average value of a data set, found by adding all the numbers and dividing by how many numbers there are. For this set, add them up: 6 + 9 + 3 + 3 + 12 + 9 = 42. There are six numbers, so 42 ÷ 6 = 7. Therefore, the mean is 7. This shows the data balance around that central value, even though some numbers are much smaller or larger than 7.

The mean is the average value of a data set, found by adding all the numbers and dividing by how many numbers there are. For this set, add them up: 6 + 9 + 3 + 3 + 12 + 9 = 42. There are six numbers, so 42 ÷ 6 = 7. Therefore, the mean is 7. This shows the data balance around that central value, even though some numbers are much smaller or larger than 7.

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