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Mathematics, 16.02.2021 03:20, lenaeeee
A random sample of 48 devices was selected from a warehouse and in turn randomly divided into three groups of 16. Group A was the control group so nothing was done to the devices. Group B devices were submerged in water for 15 minutes. Group C devices were dropped to a cement floor from 5 feet. Each device was then evaluated for performance (the lower the score the better). Does there appear to be any measurable effect of immersing them in water or dropping them
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