Find the correlation coefficient
Given the following data set:
x
3
7
9
11
15
y
16
Using this to predict the value of y when x = 15.
Find the root-means square error of the regression line that predicts y from
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In Keno, there are 80 balls numbered from 1 to 80, and 20 are chosen at random. If you play a double number, you win if both numbers are chosen. This bet pays 11 to 1, and you have very close to a 6% chance of winning.
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Find the correlation coefficient. Using this to predict the value of y when x = 15. Find the root-means square error of the regression line that predicts y from
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