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In Spring 2016 data were collected from STAT200 students concerning their heights (in inches) and their shoe sizes. A regression model was constructed using height to predict shoe size. Using Y to symbolize shoe size and X to symbolize height (in inches):
Y^ = -14.5619 + 0.3540(X)
One student reported being 69.0 inches tall and having a 9.0 shoe size. Using this regression model, what is the residual for this individual?
A) -1.8500
B) +1.8500
C) -0.8641
D) +0.8641
Create a 99 percent confidence interval for difference in means between Line B and Line C.
Using the following data on 15 workers, construct an exact 95% confidence interval for µ.
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The frequency distribution below was constructed from data collected from a group of 25 students. Construct a relative frequency distribution.
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What about these descriptive statistics makes you wary or uncomfortable? In other words, if you were a real estate agent, would you go around spouting the answers that you gave above? Explain.
sokal and rohlf 1981 studied purebred canadian dairy cattle. the butterfat percentages from 2-year-old cows follow a
Create a graph and draw the regression line based on these two pairs of scores, plus the X value 1 1 and its predicted score on Y.
A random group of 12 high school juniors were asked to estimate the average number of hours they study each week. The following give these hours along with the student's grade point average-Find the sample correlation coefficient between hours repo..
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