Essay
Laptop Battery Charge Time Narrative
A computer laboratory manager must choose between three brands of battery packs for use in a laboratory of laptop computers. A major concern is the time, in hours, the battery packs will function before needing to be recharged. The manager obtains a random sample of eight observations for each of the three brands and records the following information:
= 1150.72, and
= 165.6
-Refer to Laptop Battery Charge Time Narrative. What conclusion can be drawn? Provide a reason for your answer.
Correct Answer:

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Since F > 3.47, reject
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