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The data below represents the number of suspicious packages approved by customs inspectors in a sample of 35 days: 16, 17, 18, 18, 19, 20,
The data below represents the number of suspicious packages approved by customs inspectors in a sample of 35 days: 16, 17, 18, 18, 19, 20, 20, 21, 21, 21, 22, 22, 22, 22, 23, 23, 23, 23, 24, 24, 24, 25, 25, 26, 26, 26, 27, 28, 28, 29, 29, 31, 31, 32, 32 Note: For this sample, the sum of the values is 838, and the sum of the squared differences between each value and the mean is 619.89. The mean of this data is ________. (round to1decimal,for example 12.3)
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