For questions 5–8, assume we have a dataset with 1.4 million…
For questions 5–8, assume we have a dataset with 1.4 million rows of the following form: Treatment sales past_sales gender Age saw_ads 1 $30.05 0 female 36 1 0 0 0 female 25 1 1 0 0 female 67 1 0 $7.18 0 female 52 1 0 0 $9.21 female 72 1 1 0 0 female 54 0 0 $17.07 0 female 23 1 … … … … … … Question #6: To test the validity of the experiment and the experimental randomization, all but which of the following should be within a 95% confidence interval of 0
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