Comparing Two Independent Population Means · Exercise 31
A student at a four-year college claims that mean enrollment at four–year colleges is higher than at two–year colleges in the United States. Two surveys are conducted. Of the 35 two–year colleges surveyed, the mean enrollment was 5,068 with a standard deviation of 4,777. Of the 35 four-year colleges surveyed, the mean enrollment was 5,466 with a standard deviation of 8,191.
This is an open-ended exercise: its source gives no single answer.
OpenStax, Introductory Business Statistics 2e · §10.1 Comparing Two Independent Population Means · Exercise 31
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