Stat 500 MIDTERM EXAM QUESTIONS AND CORRECT ANSWERS 2023. Name:_ SOLUTIONS (8 questions) YOU HAVE 3 HOURS TO COMPLETE THIS. Show all work. Just showing answer without calculations may result in a zero for that question. 1. A water-heater manufacturer guarantees the electric heating element for a period of five years. The lifetimes, in months, for a sample of 10 such elements are as follows. 49.3 79.3 186.4 68.4 62.6 65.1 53.2 32.3 40.1 29.3 A. (10 points) Using the methods we learned ...