Question: Problem 8 -- SHOW and EXPLAIN all of your work! . Directions: Read the questions and answer them. Discuss with your group Share ideas, but

Problem 8 -- SHOW and EXPLAIN all of your work! . Directions: Read the questions and answer them. Discuss with your group Share ideas, but not solutions. Ask for help as a group, Answer the questions in your own words. Use complete sentences. Show and explain all your work. 1. A student has a GPA of 2.57 from 14 credit hours his first semester. If he takes 12 hours the next semester, what GPA must he earn to raise to a 3.0 overall? Show and explain. Two brands of electric water heaters, both carrying 6-year warranties, were sampled and tested under controlled conditions by Consumer Reports. Five of each brand failed after the number of months shown below. The sample mean for Brand A is 68.8, and the sample mean for Brand Bis 68.2. The sample standard deviations are 4.21 for Brand A and 3.77 for Brand B. Brand A: 74, 65, 70, 64,71 Brand B: 69, 70, 68, 72, 62 2. Which brand has the most consistent lifetime? Explain. 3. Which brand lasts longer? Explain. 4. Which brand should an apartment management company choose? Explain your reasoning

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