STAT 104 Study Guide - Midterm Guide: Null Hypothesis, Sampling Distribution, Confidence Interval
26 Oct 2017
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Stat 104 practice exam 2 solutions. The practice questions provided here are meant to give you a flavor for what the exam will be like. Not all material that could show up on the exam is included in this practice. It is expected you will study all material that was presented in class as well as homework assignments and labs. Please remember that solutions to homework assignments are posted on blackboard for your reference. Practice (do not hand in): a researcher is interested in marijuana use in us college students1. A survey asking questions about marijuana usage was sent to 850 college students in 2014. Out of the 850 students, 323 of them reported using marijuana in the past 12 months. The proportion of all us college students in 2014 who have used marijuana in the past 12 months. Describe in context, and provide a value if it is known.
