This Problem Set is a part of the Lesson 17, Unit 5, Grade 7. Yousef intends to buy a car. He wishes to estimate the mean fuel efficiency (in miles per gallon) of all cars available at this time. Yousef selects a random sample of cars and looks up their fuel efficiencies on the Internet. The results are shown below. Yousef will estimate the mean fuel efficiency of all cars by calculating the mean for his sample. Calculate the sample mean, and record your answer.
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