Question: Scanner Efficiency Test Scenario 1 A retail store used three different scanner systems that read UPC symbols on products and read its prices. Store manager

Scanner Efficiency Test Scenario 1 A retail store used three different scanner systems that read UPC symbols on products and read its prices. Store manager suspects variable efficiency of scanners and wants to check their speed. He measures, at, randomly selected time intervals, speed of each system in number of items scanned per minute. Measurements are given in file “scanner1.csv”. Perform statistical analysis to test the study hypothses that “Scanner efficiency is not

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