Mathematics, 28.11.2019 01:31, nauticatyson9
Tips a pizza delivery driver, always trying to increase tips, runs an experiment on his next 40 deliveries. he flips a coin to decide whether or not to call a customer from his mobile phone when he is five minutes away, hoping this slight bump in customer service will lead to a slight bump in tips. after 40 deliveries, he will compare the average tip percentage between the customers he called and those he did not. 1. was the experiment randomized and replicated? 2. is this experiment blinded? 3. what are the experimental units and how did he randomize treatments?
Answers: 2
Mathematics, 21.06.2019 17:00, angeleyes42
When only separate discreet points are graphed it is called?
Answers: 1
Tips a pizza delivery driver, always trying to increase tips, runs an experiment on his next 40 deli...
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