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1.Suppose it's reported that the average gas price in Ohio is $2.10 per gallon. You believe it's lower than that. Your random sample of 100
1.Suppose it's reported that the average gas price in Ohio is $2.10 per gallon. You believe it's lower than that. Your random sample of 100 gas stations in Ohio has an average gas price of $1.98 per gallon. Assume the standard deviation of all gas prices is .50. What is the test statistic?
a.1.98
b.2.40
c.-2.40
d.None of the above.
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