STAT 200 STAT200 MIDTERM EXAM ANSWERS (2022) - UMUC (all solutions 100% correct) | UMUC STAT 200 Midterm Exam Answers (2022)

Stat 200 Midterm Exam Spring 1 2021 1. You are interested in the average home price in Clarksville in 2018. To gather your sample, you breakdown Clarksville into these groups: River area, Rossview, Northeast, Ft. Campbell, and Sango. You randomly choose two of these areas and survey all homes sold in those two areas. What type of sampling is this? A. Convenience B. Stratified C. Cluster D. Systematic 2. A campaign manager is interested in the amount of votes her candidate would receive. Would an experimental or observational study design be more appropriate? A. An observational study because the number of votes cannot be controlled. B. An observational study because her candidate cannot be directly controlled. C. An experimental study with the amount of votes as the controlled factor. D. An experimental study with the voters as the controlled factor. 3. We study but are truly interested in . A. explanatory variables; response variables B. populations; samples C. samples;