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IS Question 5 sumate the proportion of guests who use the whether they would use the railroad train. Is the best description of the meihod for Grant is working for Disney lmagineering and wants to e railroad train to get around Disneyland. He asks a random sample Of guesu The guests could respond with yes, no, or maybe. Which of the the following data collection used by Grant? D Census E] Experiment With a completely randomized design D Experiment with a matched-pairs design [:1 Sample Survey [3 Experiment with a randomized block design . /5 Question 6 ' Nicole works for a pharmaceutical company that manufactures medicine to reduce pain caused by , h migraine headaches in children . Nicole is investigating whether a new medicine is more effective in reducing pain t an the current medicine. A random sample of 500 children who experience migraines are selected and the children where randomly assigned to one of two groups of equal size. The first group received the current medicine and the second . group received the new medicine. When a child experienced a migranie, he or she were instructed to take Ithe med Icine and, 15 minutes minutes later after taking the medicine, to race the pain on a scale from 1 to 10, with 'i being no fame to 10 being complete relief. At the end of six months, the average pain relief for each participant was calculated. Which of the following is the best description of the study? When St. Anthony can find anything except the answers to your test B An experiment using a completely randomized design D An observational study using a simple random sample B An observation study using a stratied sample I: An experiment usinga matched'palrs design D An observational study using a cluster sampie