Lifetimes of two brands of penlight batteries

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Reference no: EM13977496

Comparing the lifetimes of two brands of penlight batteries, a researcher has randomly selected 10 batteries of brand A and 10 of brand B, then subjected each battery to the same usage test. Given the lifetimes listed below and using the 0.05 level of significance, can we conclude that brand A is superior to brand B? Using the appropriate sta- tistical table, what is the most accurate statement that can be made about the p-value for the test?

Brand A 93.4 119.1 94.3 90.0 66.0

121.4 92.5 111.6 87.6 98.0 minutes

Brand B 59.2 65.5 81.5 92.5 71.7

69.4 83.4 92.5 93.3 81.7 minutes

Reference no: EM13977496

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