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Forty randomly selected students were asked the number of pairs of speakers they owned. Let the number of pairs of sneakers owned. The results are

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Forty randomly selected students were asked the number of pairs of speakers they owned. Let the number of pairs of sneakers owned. The results are as follows. Frequency 2 1 2 4 3 7 4 13 5 13 6 1 Part (0) Find the sample mean x (Round your answer to two decimal places Part Find the sample standard deviation, (Round your answer to two decimal places)

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