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Can be calculated by taking the current price and dividing it by the base year's price. Then multiply that calculation by 100.

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Shows the relationship of parts to a whole. The circle represents 100% or 360 degrees.

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Graph that shows trends over a period of time.

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If the set of numbers is odd, when you get to the middle two, add them together and divide by 2 to come up with the median.

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The mode is the value in the set that occurs the most.

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Average of values and can be calculated by taking the sum of all values and dividing that by the number of values.

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This is used when values appear more than once. The weighted mean can be calculated by taking the sum of products and dividing it by the sum of frequencies

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A measurement that indicates the center of the data

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When calculating the median arrange the numbers from least to greatest and then find the middle number.