The ages of a large group of people have an average of 52 years and an SD of 6 years. The average annual income of the people is $48,000 and the SD is $27,000. The correlation between the two variables is 0.45.

The r.m.s. error of regression for estimating income based on age is closest to:

5.4 thousand dollars
5.4 years
24.11 thousand dollars
24.11 years

whats the best answer?

Is the scatter diagram of the two variables football shaped?

a.No.
b.Yes.
c.Maybe, or maybe not; there is not enough information to decide.

Question

The ages of a large group of people have an average of 52 years and an SD of 6 years. The average annual income of the people is $48,000 and the SD is $27,000. The correlation between the two variables is 0.45.

The r.m.s. error of regression for estimating income based on age is closest to:


5.4 thousand dollars
5.4 years
24.11 thousand dollars
24.11 years

whats the best answer?

Is the scatter diagram of the two variables football shaped?


a.No.
b.Yes.
c.Maybe, or maybe not; there is not enough information to decide.

anonymous · Answer

ans in 24.11 thousand dollars

anonymous · Answer

HOW MAGNETIC FIELD FLOWS (DISTRIBUTION OF CHARGES) THROUGH HEART