STAT151 Study Guide - Midterm Guide: Confidence Interval, Quartile, Standard Deviation

• School: University of Alberta
• Department: Statistics
• Course: STAT151
• Professor: Sunil Barran

Document Summary

Statistics 151 practice midterm 1 mike kowalski. Statistics 151 practice midterm 1 multiple choice (50 minutes) You may use the stat 151 formula sheets and tables provided and a non-programmable calculator only. You have 50 minutes to complete the exam. The exam consists of 25 multiple choice questions worth 1 mark each. Topics covered: chapters 1 8 in agresti/franklin 2. Use the following to answer the questions 2 - 3. A sample was taken of the verbal gre scores of 20 applicants to graduate school at a large midwestern university. The first quartile for the applicant scores is: 340, 390, 480, 605. If 25 points were added to each score, then the standard deviation of the new scores would: be increased by 5, be increased by 25, be increased by 625, remain unchanged. A newspaper conducted a statewide survey concerning a proposal to raise taxes in order to prevent budget cuts to education.