Answer the following questions please I need answeres ASAP n

Answer the following questions please( I need answeres ASAP)

not sure about that one

Question 7 (3 points) If the r (r-squared) value for the relationship between brain size and IQ is.09,then 30% of one\'s IQ is accounted for by variability in brain size. O 0.81% of one\'s IQ is accounted for by variability in brain size. 9% of the variability in IQ is accounted for by variability in brain size. 30% of the variability in IQ is accounted for by variability in brain size. Save

Solution

Q7).

9% of variability in IQ is accounted by variability in Brain size.

Q11

-0.468 and 0.468

Q15

Scores on one variable should vary the same amount regardless of the magnitude of the other variable.