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Algebra
Question

Question \( 2 \) A regression was run to determine...

Question \( 2 \) A regression was run to determine if there is a relationship between hours of TV watched per day \( ( x ) \) and number of situps a person can do \( ( y ) \) . The results of the regression were: 

\( y = a x + b \) 

\( a = - 1.157 \) 

\( b = 39.519 \) 

\( r ^ { 2 } = 0.512656 \) 

\( r = - 0.716\) 

Answer

23.3

Solution
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