Q3. Use multiple regression to find the line of best fit through the following data. What does this tell you? y 420 520 860 740 510 630 650 760 590 680 a 1 3 6. 7 8 10 7 9. 3 1 6. 9. 6. 6 23 15 64 52 13 40 36 20 19 24 109 121 160 155 175 90 132 145 97 107

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