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Compare batteries

A research scientist obtained data on two battery brands. The response was how many
hours of life were obtained for each battery. Analyze the following data using the six step
approach to determine whether there is enough evidence to show that the AAA
battery last longer than the BBB battery:

AAA BBB
73 74
68 64
78 63
79 61
70 51
76 62
93 81
Provide a 95% confidence interval

Six step approach:

1. State the hypothesis
2. Specify a(Alpha) = 0.05
3. Define the test statistic
4. Define reject region
5. Calculate test statistic
6. Determine reject or not reject and explain why.

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Solution Summary

A research scientist obtained data on two battery brands. The response was how many
hours of life were obtained for each battery. Analyze the following data using the six step
approach to determine whether there is enough evidence to show that the AAA
battery last longer than the BBB battery:

$2.19