Regression.
The scatterplot below shows fabricated data for the price per share versus earnings per share per year of 100 public corporations. The average earnings per share is$9.75 per year with an SD of $5.98 per year, and the average price per share is$52.94 with an SD of $33.16. The correlation between price and earnings is0.891. (Use this figure in your calculations, not the value of the correlation coefficient in the applet.)
Question.
The point of averages of a scatterplot of Y against X is (-4, 9 ). The SD of X is 2, and the SD of Y is 6. The decimal fraction of points in the scatterplot whose X coordinates are between -8.6 and 0.6 and whose Y coordinates are between -3.6 and 21.6 is