mathematical applications discussion 8

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Module 8 Measures of Central Tendency and Dispersion

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Please read the following sections of your textbook, (Sections 12.3) and review the PowerPoints.

Sections 12_03 Measures of Dispersion.pptView in a new window

After reading and practicing the procedural steps with the Measures of Central Tendency and Dispersion. Hopefully, you are able to identify that the measures of central tendency and dispersion are often called descriptive statistics because they can help you describe your data.

Part 1

The table below displays the number of uncles of each student in a class of Elementary Algebra. Find the mean, median and mode of the uncles per student for this data set.

Score 0 1 2 3 4 5
Frequency 2 5 4 6 10 8

State your answer Mean, Median, Mode (in that order).

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Part 2

Find, to the nearest tenth, the standard deviation of the distribution:

Score 1 2 3 4 5
Frequency 14 15 14 17 10

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Please provide proof for each Part 1 and Part 2 of discussion by showing your steps.

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