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As a? follow-up to a report on gas? consumption, a consumer group conducted a study of SUV owners to estimate the mean mileage for their vehicles. A simple random sample of 86 SUV owners was? selected, and the owners were asked to report their highway mileage. The results that were summarized from the sample data were x=19.5 mpg and s=6.2 mpg. Based on these sample? data, compute and interpret a 95?% confidence interval estimate for the mean highway mileage for SUVs.
The 95% confidence intereval is __ MPG--------____MPG
Interpret this interval. Choose the correct answer below.
A. One can conclude that the true mean highway mpg for SUVs will fall in this range 95?% of the time.
B. There is a 0.95 probability that the true mean highway mpg for SUVs falls in this range.
C. One can conclude with 95?% confidence that the sample mean highway mpg for SUVs is in this range.
D. One can conclude with 95?% confidence that the true mean highway mpg for SUVs is in this range.
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