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Variation and Prediction Interval for nicotine data

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1 Identifying total variation - What percentage of the total variation in nicotine can be explained by the linear relationship between tar and ?

2 Finding Prediction Interval for a given tar amount of 17 mg, identify the 95% prediction interval estimate of the amount of nicotine, and write a statement interpreting that interval.

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Total variation and 95% prediction interval estimate is calculated for nicotine data.

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