The scatter plot shows the time spent studying, x, and the quiz score, y, for each of 25 students. (a) Write an approximate equation of the line of best fit for the data. It doesn't have to be the exact line of best fit. (b) Using your equation from part (a), predict the quiz score for a student who spent 70 minutes studying. Note that you can use the graphing tools to help you approximate the line. Quiz score 100- 90- 80- 70- 60- 50- 40- 30- 20- y 10+ 0 * X X X xx x x² X x x xx vx 'xx. xx X xx X 10 20 30 40 50 60 70 80 90 100 Time spent studying (in minutes) A X 5 (a) Write an approximate equation of the line of best fit. y = 0.933X + 23.3335 (b) Using your equation from part (a), predict the quiz score for a student who spent 70 minutes studying. 89 X Ś

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