Averaging

1
Averaging

• Eddie Chalmers
• EDU 506
• June 21, 2000

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Averaging

• This PowerPoint presentation will introduce you
  to averaging sets of numbers, like batting
  percentages and grades.

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Averaging

• To be 1 in averaging, there are several
  prerequisite skills you must be familiar with.

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Averaging

• Review the addition of whole and decimal numbers,
• Review the division of whole and decimal numbers,
  and
• Compute the average of a set of whole and decimal
  numbers.

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Averaging

• You must know the tools you need to average a set
  of numbers.
• 1. The tool of addition.
• 2. The tool of division.

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Averaging

• I want an A in Math with grades like 95, 100,
  90, and 95.
• 1. Add all the numbers, 380
• 2. Divide by 4, the number of numbers in your
  data set, and
• 3. Your average is 95.

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Averaging

• My batting average for the last three games were
  .251, .275, and .375 per game.
• What is my total batting average?
• .300

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Averaging

• Congratulations! You should be well prepared to
  average numbers in everyday situations.
• Remember
• 1. Add all the numbers in your data set.
• 2. Divide by the number of numbers in your data
  set.