2. Suppose the following is the true population model of the effect of mother's smoking on birth weight in ounces: birthweight_in_oz = a+ Bdailycigarettes + u, and that the average birth weight is 120 oz and on average mothers smoke 1 cigarette per day. If your estimate of Bis -1, what must your estimate of a be? а. 120 b. 121 с. 113 d. 119

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2. Suppose the following is the true population model of the effect of mother's
smoking on birth weight in ounces: birthweight_in_oz = a+ Bdailycigarettes + u,
and that the average birth weight is 120 oz and on average mothers smoke 1
cigarette per day. If your estimate of Bis -1, what must your estimate of a be?
а. 120
b. 121
с. 113
d. 119
Transcribed Image Text:2. Suppose the following is the true population model of the effect of mother's smoking on birth weight in ounces: birthweight_in_oz = a+ Bdailycigarettes + u, and that the average birth weight is 120 oz and on average mothers smoke 1 cigarette per day. If your estimate of Bis -1, what must your estimate of a be? а. 120 b. 121 с. 113 d. 119
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