Author Question: An industrial supplier has shipped a truckload of teflon lubricant cartridges to an aerospace ... (Read 35 times)

mynx · **on:** Feb 14, 2020

An industrial supplier has shipped a truckload of teflon lubricant cartridges to an aerospace customer. The customer has been assured that the mean weight of these cartridges is in excess of the 14 ounces printed on each cartridge. To check this claim, a sample of

cartridges are randomly selected from the shipment and carefully weighed. Summary statistics for the sample are:

To determine whether the supplier's claim is true, consider the test,

where μ is the true mean weight of the cartridges. Calculate the value of the test statistic.
◦ 1.000
◦ 10.000
◦ 0.588
◦ 2.425

wtf444 · **Reply #1 on:** Feb 14, 2020

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