Ardem collected data from a class survey. He then randomly selected samples of five responses to generate four samples. Survey DataSample 145243Sample 222657Sample 346341Sample 452436Using his four samples, between what two numbers will Ardem’s actual population mean lie?

Find the mean of each sample: the four sample means are 3.6, 4.4, 3.6, and 4.0. The smallest is 3.6 and the largest is 4.4, so the samples suggest Ardem’s population mean lies between 3.6 and 4.4. The correct choice is “3.6 and 4.4.”

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