Mathematics
Mathematics, 28.10.2020 16:30, hapjajsjjz3738

Some people don't gain weight even when they overeat. Perhaps fidgeting and other "non exercise activity" (NEA) explains why-some people may spontaneously increase non exercise activity when fed more. Researchers deliberately overfed 16 healthy young adults for 8 weeks. They measure fait gain(in kilograms) as the response variable (y) and change in energy use (in calories) as the explanatory variable(x). The regression equation is given below LaTeX: y=3.505\:-\:0.00344xy = 3.505 βˆ’ 0.00344 x a)What is the slope of the regression line? Explain in specific language what this value says about the NEA and weight gain. b)According to the regression line, if a persons increases the NEA increases by 400 calories what would their fat gain be? c)Does the y-intercept of the regression line make any sense? If so, interpret it. If not, explain why not.

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Some people don't gain weight even when they overeat. Perhaps fidgeting and other "non exercise acti...

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