Explain two types of batteries are having same mean life

Reference no: EM13136677

Two types of batteries x and y tested for their length life and the following result abtained: battery x :sample size 10,mean hour 1000,variance hour 100 and battery y: sample size 12,mean hour 1020,variance hour 121. can you conclude that two types of batteries are having the same mean life?

Reference no: EM13136677

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