A study was conducted to determine whether there exists a relationship between the length of time (in hours) a senior high school student spends reviewing his or her lesson a week before the final examination and his or her grade in statistics and probability. Eight randomly selected senior high school students provided the following data.
x 10 12 24 20 13 13 8 22
y 80 83 94 90 85 84 80 89
Find the slope (a) and y-intercept (b) of the regression line. Interpret the results.
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DEADLINE : 05/20/2022 11 : 00 PM
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