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Measuring Similarity: Another Perspective Item 1 Item 2 Item 3 Item 4 Item 5 Lisa 5 4 4 3 Mo 4 5 5 4 4.5

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Measuring Similarity: Another Perspective Item 1 Item 2 Item 3 Item 4 Item 5 Lisa 5 4 4 3 Mo 4 5 5 4 4.5 Bart 4 3 3 2 3 E(x; - X) ( yi - y) rxy = VE( x; - X)2 [(yi - y)2 . Consider correlation - Based on items 1, 2, 3, and 4, what is the correlation between Lisa's and Mo's ratings? - What about the correlation between Lisa's and Bart's ratings

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