Author: Anonymous

consider the following python code and output from the Artea experiment: f1 = ‘revenue_after ~ C(test_coupon):C(shopping_cart)’m1 = smf.ols(data=data, formula=f1).fit()======================================================                                              coef——————————————————Intercept                                   5.4817C(shopping_cart)[T.1]                       7.6657C(test_coupon)[T.1]:C(shopping_cart)[0]    -0.7395C(test_coupon)[T.1]:C(shopping_cart)[1]     1.3806========================================================= What is the effect of test_coupon on revenue_after, for the subgroup that previously had an item in their shopping cart?

What output is produced by the below command?   output = smp.tt_ind_test_power( alpha=0.05, nobs1=1000, power =0.90)

Describe a way in which you would measure a person’s temporal/duration discrimination ability. (Bonus point: If you could use/apply any of the psychoacoustic method that you learned from your discussion posts. You should name the psychoacoustic method appropriately)

Every year Amazon sends out winter gift catalogs, which are full of toys for kids. They would like to send them to families with young children, but they don’t know which addresses have young children at them. Identifying addresses with young children is a…

In python, we have a data frame  with outcome variable y and treatment variable treat, which is categorical variable which takes on the values 0, 1, and 2. Which code sets up the formula for estimating the effect of treatment on our outcome?    

 What’s a confound?

An organization conducts an A/B test with adequate power. Upon analyzing the data, they find that condition B performs statistically significantly better than condition A. What of the following would be most important for them to consider before deciding whether to scale up the intervention?

An intermediate sanction designed to confine pretrial detainees or convicted offenders to their homes during the hours when they are not at work, attending a treatment program, or visiting a supervising officer is

Day reporting centers are for offenders on probation or parole only.

Fees began to be assessed to offenders starting in the 1980s and are also known as “court costs” in some parts of the United States.