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.

Answer 1

Of the eggs that are 22.5 mm in diameter,

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

produce chicks that weigh more than 6 grams. [Pick the best option.]

Answer 2

What does SD mean?

Answer 3

Standard Deviation

Answer 4

fewer than 50%

Answer 5

Thanks @rotenberg