The data below represents the overall miles per gallon (MPG) of 2008 SUVs priced
ID: 3381775 • Letter: T
Question
The data below represents the overall miles per gallon (MPG) of 2008 SUVs priced under $30,000. Complete parts (a) and (b).
a. Construct a 90% confidence interval estimate for the population mean miles per gallon of 2008 priced under $30,000 SUVs assuming a normal distribution.
____
(Round to two decimal places as needed.)
b. Interpret the interval constructed in (a). Choose the correct answer below.
A.With 90% confidence, the mean miles per gallon in the population of 2008 SUVs is somewhere in the interval.
B.With 90% confidence, the mean miles per gallon in the sample of 2008 SUVs is somewhere in the interval.
C.With 90% confidence, the mean miles per gallon in the population of 2008 SUVs is the sample mean.
D.With 90% confidence, the mean miles per gallon in the sample of 2008 SUVs is the population mean.
23, 18, 20, 23, 19, 18, 15, 18, 20, 20, 17, 18, 20, 17, 20, 19, 17, 18, 16, 19, 17, 22Explanation / Answer
The data below represents the overall miles per gallon (MPG) of 2008 SUVs priced
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