(18.32) At the Statistics Canada Web site, www.statcan.gc.ca, you can find the p
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Question
(18.32) At the Statistics Canada Web site, www.statcan.gc.ca, you can find the percent of adults in each province or territory who have at least a university certificate, diploma, or degree at bachelor’s level or above.
It makes no sense to find x for these data and use it to get a confidence interval for the mean percent in all 13 provinces or territories. Why not?
Because we have the percentages for all 13 Canadian provinces, we know the exact value of . This assumes that the percentages listed at the Web site are not estimates (though they probably are). Because the provinces/territories were not chosen randomly. Because the data are categorical and not quantitative. Because the mean is meaningless unless we standardize the values first.Explanation / Answer
Answer:
(18.32) At the Statistics Canada Web site, www.statcan.gc.ca, you can find the percent of adults in each province or territory who have at least a university certificate, diploma, or degree at bachelor’s level or above.
It makes no sense to find x for these data and use it to get a confidence interval for the mean percent in all 13 provinces or territories. Why not?
Answer: Because we have the percentages for all 13 Canadian provinces, we know the exact value of . This assumes that the percentages listed at the Web site are not estimates (though they probably are).
Because the provinces/territories were not chosen randomly.
Because the data are categorical and not quantitative.
Because the mean is meaningless unless we standardize the values first.
Answer: Because we have the percentages for all 13 Canadian provinces, we know the exact value of . This assumes that the percentages listed at the Web site are not estimates (though they probably are).
Because the provinces/territories were not chosen randomly.
Because the data are categorical and not quantitative.
Because the mean is meaningless unless we standardize the values first.
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