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August 30, 2015

Homework Help: Statistics

Posted by Emily on Friday, March 15, 2013 at 4:00pm.

The eggs of a species of bird have an average diameter of 23 mm and an SD of 0.45 mm. The weights of the chicks that hatch from these eggs have an average of 6 grams and an SD of 0.5 grams. The correlation between the two variables is 0.75 and the scatter diagram is roughly football shaped.

The slope of the regression line for estimating chick weight based on egg diameter is

0.833 inches per gram
0.675 inches per gram
0.833 grams per mm
0.675 grams per mm

The intercept of the regression line for estimating chick weight based on egg diameter is _______________ grams.

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