1 stats test again nicoles score on the stats midterm was, Ask an Expert

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1. Stats test, again. Nicole's score on the Stats midterm was 80 points. The class average was 75 and the standard deviation was 5 points. What was her z-score?

2. Horsepower. Cars currently sold in the United States have an average of 135 horsepower, with a standard deviation of 40 horsepower. What's the z-score for a car with 195 horsepower?

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