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Home Q & A Board Science-Related Homework Help Psychology
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Mrpkerzz Mrpkerzz
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6 years ago
A regression analysis of hours spent exercising and ounces of weight loss had a slope of 3. We would predict that
 
  a. for every 1 hour of exercise, a person would lose 3 ounces of weight.
  b. for every ounce lost, a person has to exercise for 7 hours.
  c. every hour of exercise would have no effect on weight.
  d. The slope cannot be used to make predictions, you need the intercept.

Question 2

An example in the text hypothesized that 4 of the variability in life expectancy was accounted for by variability in smoking behavior. The values of r and r2, respectively, are equal to
 
  a. .20 and .04.
  b. .04 and .16.
  c. .04 and .20.
  d. More information is needed.

Question 3

In a scatterplot, an outlier is one that
 
  a. is far to the left of the display.
  b. is in the center of the display.
  c. is far from the regression line.
  d. is the largest value of Y.
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sosobonsosobon
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6 years ago
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Mrpkerzz Author
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6 years ago
You make an excellent tutor!
jamiebonf99
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Yesterday
Thanks
hannahspillett
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2 hours ago
Thank you, thank you, thank you!
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