Mathematics, 12.03.2021 15:20 ricksterv5000
Bicycles purchased from a discount store come unassembled. The assembly instructions that come with the bicycle claim that the average assembly time is 30 minutes. A consumer group has received complaints from people who say that the assembly time was greater than the time claims. They decide to purchase 40 of these bikes and have asked 40 different people to assemble them. The consumer group believed that it was reasonable to regards these 40 people as representative of the population of people who might purchase this bike. For this sample, they found that the assembly times had a mean of 34.2 minutes with a standard deviation of 8.6 minutes. Is there convincing evidence that the claimed average assembly time is too high
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Bicycles purchased from a discount store come unassembled. The assembly instructions that come with...
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