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.
1.Find the regression estimate of the weight of a chick that hatches from an egg 24 mm in diameter.
2.Find the regression estimate of the weight of a chick that hatches from an egg 22.5 mm in diameter.
3.Of the eggs that are 22.5 mm in diameter,

a. 50%
b. more than 50%
c. fewer than 50%

Help me

Question

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.
1.Find the regression estimate of the weight of a chick that hatches from an egg 24 mm in diameter.
2.Find the regression estimate of the weight of a chick that hatches from an egg 22.5 mm in diameter.
3.Of the eggs that are 22.5 mm in diameter,


a. 50%
b. more than 50%
c. fewer than 50%

Help me

nurali · Answer

1. 6.833
2. 5.583
3. fewer than 50%

anonymous · Answer

I found the same results with Nurali.