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2011-10-02 22-23-11 25

2011-10-02 22-23-11 25 - Nate ‘2 In some cases median is...

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Unformatted text preview: Nate ‘2: In some cases, median is a. more sensible measure of center than the mean. for example, government uses median income. (E) Mode: The value that uccurs must often in the (Lita. It can he used for either numeric-ail or categorical data. EX 3 EX4 {F} Shape of a distribution and mean, median, mode: Case 1: Symmetric Case 2: Left-skewed Case 3: Right-skewed 2. Measure of variation: (A) Sample Variance (Notation: .92) 'I «2 32 _ i=l(1'i " I EX5 («13-9) ...
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