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Mathematics, 19.03.2020 00:19 littlemisschris
A researcher collects a simple random sample of grade-point averages of statistics students, and she calculates the mean of this sample.
Under what conditions can that sample mean be treated as a value from a population having a normal distribution? Select all that apply.
A. The sample has more than 30 grade-point averages.
B. If the population of grade-point averages has a normal distribution.
C. The researcher collects more than 30 samples.
D. If the population of statistics students has a normal distribution.
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A researcher collects a simple random sample of grade-point averages of statistics students, and she...
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