Statistics: Calculating the Mean

Statistics: Calculating the Mean

Assessment

Interactive Video

Mathematics

4th - 6th Grade

Hard

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The video tutorial explains how to calculate the mean number of finishers in the New York Marathon over four decades. It breaks down the problem into manageable steps, including adding totals for each decade, calculating the overall total, and finding the mean. The tutorial concludes with rounding the mean to the nearest hundred, emphasizing the importance of showing the method for full marks.

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4 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What steps are necessary to show your method in solving the problem?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

How many marks is the question worth, and why is it significant?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What were the two largest values used in the addition for the third and fourth decades?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the importance of showing your work in math problems like this?

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