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14-2 Measures of Central Tendency. What are Measures of Central Tendency? What is their importance? Vocabulary: Measures of Central Tendency, Mean, Median, Mode, Arithmetic Mean, Bimodal, Stem-and-Leaf Plot, Stem, Leaf, Cumulative Frequency Distribution, Median Class
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14-2 Measures of Central Tendency • What are Measures of Central Tendency? • What is their importance? • Vocabulary: Measures of Central Tendency, Mean, Median, Mode, Arithmetic Mean, Bimodal, Stem-and-Leaf Plot, Stem, Leaf, Cumulative Frequency Distribution, Median Class • Section 2 p 904-906 11-25 odd, 16, 20, 22, 26, 31
14-2 Measures of Central Tendency • Find the Arithmetic mean of the following numbers: 5, 12, 11, 9, 4
14-2 Measures of Central Tendency • 5, 12, 11, 9, 4 • Find median • 4,5,9,11,12 • 9
14-2 Measures of Central Tendency • A company has 30 employees. Their salaries are as follows: • What is the mean, medium and mode of the group
14-2 Measures of Central Tendency • 200000+490000+225000+110000+65000 30 • Mean= $36,333 • Median class: Count down to middle number(s)