For Exercises 18 through 21, do a complete regression analysis. a. Draw the scatter
Chapter 10, Problem 20(choose chapter or problem)
For Exercises 18 through 21, do a complete regression analysis. a. Draw the scatter plot. b. Compute the value of the correlation coefficient. c. Test the significance of the correlation coefficient at a 0.05. d. Determine the regression line equation. e. Plot the regression line on the scatter plot. f. Predict y for a specific value of x.Age and Cavities A researcher desires to know if the age of a child is related to the number of cavities he or she has. The data are shown here. If there is a significant relationship, predict the number of cavities for a child of 11. Age of child x 6 8 9 10 12 14 No. of cavities y 213 4 6 5
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