Essay
Use the one-proportion z-test to perform the required hypothesis test. Use the critical-value approach.
-In 2000, the percentage of adults in a certain town who drove an SUV was 53%. In 2005, in a random sample of 100 people from this town, 45% said that they drive an SUV. At the 10% level of significance, do the data provide sufficient evidence to conclude that the percentage of adults in this town who drive an SUV has changed from the 2000 percentage of 53%?
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Correct Answer:
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Test statistic:
. Critical values: . ...View Answer
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