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The table below lists weights (carats) and prices (dollars) of randomly selected diamonds. Find the (a)...

The table below lists weights (carats) and prices (dollars) of randomly selected diamonds. Find the (a) explained variation (b) unexplained variation and (c) indicated prediction interval. There is sufficient evidence to support a claim of a linear correlation so it is reasonable to use the regression equation when making predictions. Find the prediction interval, use a 95% confidence level with a diamond that weighs 0.8 carats.
Weight 0.3 0.4 0.5 0.5 1.0 0.7
Price $515 $1155 $1346 $1403 $5663 $2278
Explained variation?
Unexplained variation?
Prediction interval?

Math   Statistics-And-Probability   
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