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ummarizes the findings. Find the standard deviation of the amount of time spent in line. (Round your answer to three decimal places) 2662 xmin x= Time (minutes) DEKKI 18*42 26x43 36x44 4

ummarizes the findings. Find the standard deviation of the amount of time spent in line. (Round your answer to three decimal places) 2662 xmin x= Time (minutes) DEKKI 18*42 26x43 36x44 4

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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To study the efficiency of its new price-scanning equipment, a local supermarket monitored the amount of time its customers had to wait in line. The frequency distribution in the following table summarizes the findings. Find the standard deviation of the amount of time spent in line. (Round your answer to three decimal places) 0.662 xmin x=Time (minutes) Number of Customers 75 58 Need Help? Pe 0XX41 15842 25x<3 36x<4 45x45 www 65 40 39
Transcribed Image Text:To study the efficiency of its new price-scanning equipment, a local supermarket monitored the amount of time its customers had to wait in line. The frequency distribution in the following table summarizes the findings. Find the standard deviation of the amount of time spent in line. (Round your answer to three decimal places) 0.662 xmin x=Time (minutes) Number of Customers 75 58 Need Help? Pe 0XX41 15842 25x<3 36x<4 45x45 www 65 40 39
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