# Statistics Problem

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1. The US Energy Information Administration reports figures on retail gasoline prices. Data are obtained by sampling 10,000 gasoline service stations from a total of more than 185000. For the 10,000 stations sampled in June 2003, the mean price per gallon for unleaded regular gasoline was $1.49. The mean price given here is a population mean. Is this a true statement?

2. A variable of a population has a left-skewed distribution. If a large simple random sample is taken from the population, the distribution of the sample will roughly be right skewed. Is this a true statement?

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Answer 1:

Yes, this is a true statement. The sample size is large enough and so the sample mean will be ...

#### Solution Summary

The solution provides excellent answer to the problem below.

$2.49