Section 6.4 Homework Question 2 Answer

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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.

  1. If the population of statistics students has a normal distribution.
  2. The sample has more than 30​ grade-point averages.
  3. The researcher collects more than 30 samples.
  4. If the population of​ grade-point averages has a normal distribution.

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This question is taken from Math 10 – Introduction to Statistics » Summer 2021 » Section 6.4 Homework