The accompanying scatterplot shows observations on
Chapter 0, Problem 5.11(choose chapter or problem)
The accompanying scatterplot shows observations on hemoglobin level, determined both by the standard spectrophotometric method (y) and by a new, simpler method based on a color scale (x) (A Simple and Reliable Method for Estimating Hemoglobin, Bulletin of the World Health Organization [1995]: 369373):b. The paper reported that r .9366. How would you describethe relationship between the two variables?c. The line pictured in the scatterplot has a slope of 1 andpasses through (0, 0). If x and y were always identical, allpoints would lie exactly on this line. The authors of thepaper claimed that perfect correlation (r 1) would resultin this line. Do you agree? Explain your reasoning.
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