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Are all batteries created equal? An experiment was carried out to determine this. Two brand name battery companies and a generic company were compared.

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Are all batteries created equal? An experiment was carried out to determine this. Two brand name battery companies and a generic company were compared. D- batteries were put into flashlights and continuously left on. The data provided is the number hours the flashlight remained lit. Is this sufficient evidence to determine if the mean times for the different companies are different? Use a 0.05 significance level. Click here to open this data in StatCrunch. p-value (do not round) = A/ What is your decision (Retain Ho and Reject Ho)?

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