Mathematics, 21.10.2020 21:01, Robinlynn228

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. What sampling method was used? Systematic random sample, none of the above, simple random sample, cluster random sample, stratified random sample

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A researcher wanted to estimate the average amount of money spent on extracurricular activities per...