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Mean, Median, Mode, and Range

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Measures of Central Tendency Circle the measures of central tendency below. (Hint: There are only 3 measures of central tendency.) Mean Median Mode Range

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Whats an outlier?! outlier out- pref. In a way that surpasses, exceeds, or goes beyond: outdistance. -er suff. One that undergoes a specified action: broiler. lie verb. to be found or located in a particular area or place: The fault lies here. –noun 1. a person or thing that lies outside. number

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Find the outlier(s) 1.12, 22, 40, 17, 29, 72, , 80, 75, 7, 67, , 210, 184, 18, 156, 989, 204

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Matching! Mean Range Mode Median Middle Most Difference Average

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Problem 1 ChildrenAges Harry 13 Ron 6 Hermione 7 Ginny 6 Neville 13 Mean = 9 Median = 7 Mode = 6 and 13 Range = 7

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Problem 2 HomeroomsPizza Orders Everdeen 13 Mellark 7 Abernathy 17 Snow 19 Coin 7 Hawthorne 15 Trinket 11 Crane 7 Mean = 12 Median = 12 Mode = 7 Range = 12

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Problem 3 Visitors to the Art Museum (thousands) Mean = 5,000 Median = 4,000 Mode = 3,000 Range = 10,000

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Problem 4 Mean3 inches Median3 inches Modenone Range6 inches Snowfall in Inches

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Summary of the Measures of Central Tendency Measures of Central Tendency Best used to describe data when… Mean Median Mode The data has no outliers The data has outliers The data has many repeated numbers

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