Mathematics, 25.04.2020 03:32 AshNo

A group of customer service surveys were sent out at random. The scores were 90, 50, 70, 80, 70, 60, 20, 30, 80, 90, and 20. Find the mean score.

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A group of customer service surveys were sent out at random. The scores were 90, 50, 70, 80, 70, 60,...