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At each mile marker for the first five miles of a marathon, Ellie was 18 seconds, 9 seconds, 14 seconds, 6 seconds, and 3 seconds ahead of her goal pace. What was her mean time …

At each mile marker for the first five miles of a marathon, Ellie was 18 seconds, 9 seconds, 14 seconds, 6 seconds, and 3 seconds ahead of her goal pace. What was her mean time …
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At each mile marker for the first five miles of a marathon, Ellie was 18 seconds, 9 seconds, 14 seconds, 6 seconds, and 3 seconds ahead of her goal pace. What was her mean time ahead of her goal pace?

User Render
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1 Answer

2 votes
The mean is the average.

Let A = mean

A = (18 + 14 + 9 + 6 + 3)/5

A = 50/5

A = 10

Ellie's mean time is 10 seconds.
User RushUp
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