Find the mean of the numbers 10, 22, 15, 9, 18.

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Study for the ATandT Information Test. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

Find the mean of the numbers 10, 22, 15, 9, 18.

Explanation:
Finding the mean means adding all the numbers together and dividing by how many numbers there are. Add them: 10 + 22 + 15 + 9 + 18 = 74. There are 5 numbers, so 74 divided by 5 is 14.8. That value is the average of the set. The other numbers correspond to totals or rounding that don’t match the actual sum divided by the count, so they aren’t correct means.

Finding the mean means adding all the numbers together and dividing by how many numbers there are. Add them: 10 + 22 + 15 + 9 + 18 = 74. There are 5 numbers, so 74 divided by 5 is 14.8. That value is the average of the set. The other numbers correspond to totals or rounding that don’t match the actual sum divided by the count, so they aren’t correct means.

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