STAT151 Study Guide - Midterm Guide: Ween, Scatter Plot, Test Statistic

• School: University of Alberta
• Department: Statistics
• Course: STAT151
• Professor: All

Document Summary

You are not allowed to use a hand calculator. It consists of 20 questions (23 single questions). For each question, carry out the appropriate analysis using statcrunch and circle the correct answer in your exam sheet. The number of questions and topics covered in the actual lab exam may be different from those in the practice exam. Hours of study explained 55% of the variation in scores among the students. One of the four scatterplots displayed below is the scatterplot of scores versus number of hours of study. Refer to the information given in the previous between number of hours of study and score is (b) plot b. 12 (c) plot c (d) plot d problem. The numerical value of the correlation (a) -0. 7416 (b) -0. 45 (c) 0. 2584 (d) 0. 45 (e) 0. 7416. In order to answer this and other related questions, the price (in dollars) and weight (in pounds) were determined for twelve randomly selected mountain bikes.