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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 β 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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Mathematics, 21.06.2019 16:30, GalaxyWolf1895
An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.
Answers: 2
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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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