[Answer] A researcher wanted to estimate the average amount of money spent on extracurricular activities per school in a certain region. The researcher randomly selected 20 public schools and 20 private schools in the region to use for a sample. Which of the following best describes the type of sample that was taken?

Answer: A stratified random sample
A researcher wanted to estimate the average amount of money spent on extracurricular activities per school in a certain region. The researcher randomly selec…

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