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5 At a restaurant the total bill and the percentage of the bill left as...

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Algebra

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5 At a restaurant the total bill and the percentage of the bill left as a tip is repres in the scatter plot percentage 32 28 24 20 16 12 8 4 8 12 16 20 24 28 32 total The best fit line is represented by the equation y 0 632x 27 1 where x represents the total bill in dollars and y represents the percentage of the bill left as a tip a What does the best fit line estimate for the percentage of the bill left as a tip when the bill is 15 Is this reasonable b What does the best fit line predict for the percentage of the bill left as a tip when the bill is 50 Is this reasonable

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