The liquid chlorine added to swimming pools to combat algae has a relatively short shelf life before
Question:
The liquid chlorine added to swimming pools to combat algae has a relatively short shelf life before it loses its effectiveness. Records indicate that the mean shelf life of a 5-gallon jug of chlorine is 2,160 hours (90 days). As an experiment, Holdlonger was added to the chlorine to find whether it would increase the shelf life. A sample of nine jugs of chlorine had these shelf lives (in hours):
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At the .025 level, has Holdlonger increased the shelf life of the chlorine? Estimate thepvalue.
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H o 2160 H 1 2160 Reject H o if t 2...View the full answer
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Related Book For 
Statistical Techniques in Business and Economics
ISBN: 978-0078020520
16th edition
Authors: Douglas Lind, William Marchal
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