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What is the average of 78, 85, 92, 87, and 83?
85, the sum divided by the count.
- 85 ✔
- 83
- 87
Why: Sum: 78 + 85 + 92 + 87 + 83 = 425. Divide by the 5 numbers: 425 ÷ 5 = 85.
Huh, didn't know that: A mean is a typical value: it is never smaller than the smallest number or bigger than the biggest.
Why did the mean get invited to every party? It was the center of attention.
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References
Answer: 85. Sum: 78 + 85 + 92 + 87 + 83 = 425. Divide by the 5 numbers: 425 ÷ 5 = 85.
- OpenStax Prealgebra 2e, Averages and Probability openstax.org/books/prealgebra-2e/pages/5-5-averages-and-probability
To find the mean score, he would add them and divide by 3
Checked 2026-10-12.
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