Test2Solutions1Spring

# Test2Solutions1Spring - Statistics Test#2(Chapters 7-13...

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Y - Statistics Test #2 (Chapters 7-13) Show Work or Explain Answers for partial credit. 1. Ceramics engineers are testing a new formulation for the materialused to make insulatom p- They will try baking th-t four different temperatures, followed by either [email protected] cooling. They want to try eve- . . of the baking and cooling options tomy to break during adverse weather conditions. a. What are the experimental units? b. How many factors are there? @ c. How many levels are there for each factor? d. How many Featments are there? & J cTd4L rTrh-3 e r*+li 4 f C~P+ 'BC 4wp1 j srou, torrpt/S~ ,&,.p 31 +M 4JJw e. What is the response variable?

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2. Sam is preparing sweet potato pies as his dessert for Thanksgiving. The store he shops at sells six sweet potatoes in a bag He has found that each ban will contain 0.1 &bad sweet potatoes. Based on experience he e- be -s has, one bad SW- the US and bad sweet pdtatoa in the rest. Conduct a simulation to estimate how many bags Sam will have to purchase to have three dozen good sweet potatoes. a. Describe how you will use a random number table to conduct this simulation b. Show 2 trials by clearly labeling the random number table given below. Speclfy the outcome for each trial the box below. c. State your conclusion.
3. Researchers who wanted to see if drinking grape juice could help people lower their blood pressure got

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Test2Solutions1Spring - Statistics Test#2(Chapters 7-13...

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