Question

The table below lists weights (carats) and prices (dollars) of randomly selected diamonds. For the prediction interval, use a 95% confidence level with a diamond that weighs 0.8 carats.
Find the
(a) Explained variation,
(b) Unexplained variation, and
(c) Indicated prediction interval. In each case, there is sufficient evidence to support a claim of a linear correlation, so it is reasonable to use the regression equation when making predictions.


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  • CreatedMay 03, 2015
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