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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 be used in the sample. Which of the following best describes the type of sample that was taken?
A. A census
B. A cluster sample
C. A convenience sample
D. A simple random sample
E. A stratified random sample

Answer :

Answer:

E. A stratified random sample

Step-by-step explanation:

In Stratified random sampling is a method, we sample the population into various layers or strata.

In stratified random sampling or stratification,strata can be defined by the attributes they share. It can also be on some other basis like characteristics. Stratified random sampling can also be known as quota random sampling.

whereas simple random sampling is a sample of individuals that exist in a population.

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