Mathematics, 12.08.2020 08:01 Uc34758
A manufacturer claims that the calling range (in feet) of its 900-MHz cordless telephone is greater than that of its leading competitor. A sample of 19 phones from the manufacturer had a mean range of 1160 feet with a standard deviation of 32 feet. A sample of 11 similar phones from its competitor had a mean range of 1130 feet with a standard deviation of 30 feet.
Required:
Do the results support the manufacturer's claim?
Answers: 3
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A manufacturer claims that the calling range (in feet) of its 900-MHz cordless telephone is greater...
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