STAT 100 Final: STAT20 Final Exam 2 2017 Fall Solutions

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Part i: questions 1-10 are worth 2 points each. You do not need to show your work, and no partial credit will be given. Indicate your choice by circling the option you choose. If nothing is circled, we will mark the problem wrong. A pharmaceutical company developed a new treatment for eczema and performed a double-blind randomized experiment to see if it worked better than the company"s old treatment. The new treatment performed better in the experiment. Label the following statements as true or false by circling t or f: we can reject the null hypothesis, there is an 10% chance that the null hypothesis is true. Suppose we draw 2 tickets at random without replacement from a box with tickets marked {1, 2, 3, . About 2,000 of the 2,926 adults surveyed had heights between 157 cm and 177 cm.