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Mathematics, 28.09.2020 15:01 anna40794
2. Suppose you want to estimate the proportion of vehicles on the road in your hometown that
are sport utility vehicles (SUVs). You decide to stand at the intersection closest to your
home between 7 and 8 A. M. every morning for a week, keeping track of how many vehicles
go by and how many of them are SUVs.
a. What is the population of interest in this study?
b. What is the variable of interest in this study?
c. What is the parameter of interest and what symbol should we use to denote it?
d. What is the statistic, what symbol should we use to denote it, and what is its value?
e. Is this a simple random sample?
f. Is the sampling method likely to be biased for estimating the proportion of vehicles
on the road in your hometown that are SUVs? Explain.
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Answers: 1
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2. Suppose you want to estimate the proportion of vehicles on the road in your hometown that
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