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Section 6.4 Homework Question 2
Question
Section 6.4 Homework
2. 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.
- If the population of statistics students has a normal distribution.
- The sample has more than 30 grade-point averages.
- The researcher collects more than 30 samples.
- If the population of grade-point averages has a normal distribution.
This question is taken from Math 10 – Introduction to Statistics » Summer 2021 » Section 6.4 Homework