3. Suppose a new sample is chosen and you got the following estimated OLS line: predicted birthweight = 120- 3.2x dailycigarettes. What would be your estimate of ß if birth weight were recorded in pounds? (Hint: 1 pound 16 ounces) OA. -0.15 OB. -38.4 OC. -2.4 OD. -0.2

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