25. Which of the following is an example of convenience sampling? Susie surveys each customer walking out of Walmart about their political views. Farmer Joe separates his farm into 10 regions. He then randomly selected 5 trees from each region to estimate the number of apples produced on his apple tree farm. Leroy uses a random number generator to select 25 freshmen, 25 sophomores, 25 juniors, and 25 seniors to survey. all of the above are examples of convenience sampling

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