Compute the given trimmed mean

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What is the typical pulse rate (beats per minute) among adults? Imagine that you sample 21 adults, measure their pulse rate and get

80, 85, 81, 75, 77, 79, 74, 86, 79, 55, 82, 89, 73, 79, 83, 82, 88, 79, 77, 81, 82

Compute the 20% trimmed mean.

Reference no: EM131399765

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