What is the mean of the data set 60, 72, 78, 90?

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Study for the Algebra 1 Honors End-of-Course Test. Study with flashcards and multiple-choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

What is the mean of the data set 60, 72, 78, 90?

Explanation:
Mean is found by adding all numbers and dividing by how many numbers there are. For this set, 60 + 72 + 78 + 90 equals 300. There are four numbers, so 300 ÷ 4 = 75. Therefore, the mean is 75.

Mean is found by adding all numbers and dividing by how many numbers there are. For this set, 60 + 72 + 78 + 90 equals 300. There are four numbers, so 300 ÷ 4 = 75. Therefore, the mean is 75.

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