A magazine listed the number of calories and sodium content (in milligrams) for

Question

A magazine listed the number of calories and sodium content (in milligrams) for 13 brands of hot dogs. Use the regression output for the calories and sodium content of hot dogs to complete parts a through c. a) The output reports s = 76.25. Explain what that means in this context. Choose the correct answer below. A. Among hot dogs with the same sodium content, the number of calories varies, with a standard deviation of about 76 calories. B. The standard deviation of the y-values is about 76 milligrams. C. The standard deviation of the x-values is about 76 calories. D. Among hot dogs with the same number of calories the sodium content varies, with a standard deviation of about 76 milligrams b) What's the value of the standard error of the slop of the regression line?

Explanation / Answer

a) Option D is correct.

b) SE(b1) = 0.57

c) Option D; 0.57

If other samples of hot dogs were used, the slope of the regression lines would vary, with a standard deviation of aboutt 0.57 milligrams of sodium per calorie.

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