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Monday, November 14, 2011

Maya's Textbook Question

Chapter 2.2
Question 23

One week in October in Iqaluit, Nunavut, the daily high temperatures were -4.6, -0.5, 1.2, 2.3, -1.1 and -3.0 celsius. What was the mean daily high temperature that week?

Remember, the mean is adding up all the numbers and dividing it by how many numbers there are.
Put all the numbers in order. Add, then divide to get the answer.

Add up all the numbers.
4.6 + 3.0 + 1.1 + 0.5 = 9.2
1.2 + 1.5 + 2.3 = 5
-9.2 - 5 = 4.2

Divide 4.2 by 7.
4.2 / 7 = 0.6

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