Interpret the slope of a regression line.

Robert enters data for weight (in pounds) and calories burned per minute into a statistics software package and finds a regression equation of = 2.2 + 0.05x, where weight is the explanatory variable.

Based on this information, select the conclusion about weight and calories burned per minute that is TRUE.

• a.)For each additional pound of weight, calories burned per minute increases by 2.2 calories.
• b.)For each additional pound of weight, calories burned per minute increases by 0.05 calories.
• c.)For each additional pound of weight, calories burned per minute stays relatively the same.
• d.)For each additional pound of weight, calories burned per minute decreases by 0.05 calories.