Question $31$

What is the coefficient of determination for Salkind & Frey $(2020),$ Ch $5,$ "Time to Practice" section, Question #$6?$

Note: Round to a whole number, $0\%$

$$

Question $32$

How much of the variance in the relationship between the two variables, in Chapter $5,$ "Time to Practice" section, Cluestion #$6,$ is unaccounted for $($round to a whole number, $0\%)?$

$$