Statistics Solutions

(See Solution) The following scatterplot and SPSS output represent data collected on 89 middle-aged people. The relationship between body weight and percent

Question: (15 points) The following scatterplot and SPSS output represent data collected on 89 middle-aged people. The relationship between body weight and percent body fat is to be studied.

Percent body fat

Weight ( pounds)

  1. What is the equation of the least squares regression line?
  2. What is the explanatory variable for this study (in words)?
  3. What is the value of the estimate for , the standard deviation of the deviations i ?
  4. What is a 95% confidence interval for the slope of the regression line?

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Solution: The downloadable solution consists of 2 pages
Deliverable: Word Document


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