An airlines records showed that the percent of on-time flights each day for a 20-day period was
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An airline’s records showed that the percent of on-time flights each day for a 20-day period was as follows:
72, 75, 76, 70, 77, 73, 80, 75, 82, 85,
77, 78, 74, 86, 72, 77, 67, 78, 69, 80
Determine the standard deviation.
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ANSWER To calculate the standard deviation we need to first find the mean and then the va...View the full answer
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Related Book For 
Basic Technical Mathematics
ISBN: 9780137529896
12th Edition
Authors: Allyn J. Washington, Richard Evans
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