The data sets represent simple random samples from a population whose mean is 100. (a) Compute the
Question:
The data sets represent simple random samples from a population whose mean is 100.
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(a) Compute the sample mean of each data set.
(b) For each data set, construct a 95% conï¬dence interval about the population mean.
(c) What effect does the sample size n have on the width of the interval?For parts (d)€“(e), suppose that the data value 106 was accidentally recorded as 016.
(d) For each data set, construct a 95% conï¬dence interval about the population mean using the incorrectly entered data.
(e) Which intervals, if any, still capture the population mean, 100? What concept does this illustrate?
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a Data set I x x n 7938 991 Data set II x x n 198220 991 Data set III x x n 297130 9...View the full answer
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