The thicknesses of eight pads designed for use in aircraft engine mounts are measured. The results, in mm, are 41.83, 41.01, 42.68, 41.37, 41.83, 40.55, 41.70, and 41.42. Assume that the thicknesses are a sample from an approximately symmetric distribution.     Can you conclude that the mean thickness is greater than 41 mm? Compute the appropriate test statistic and find the

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The thicknesses of eight pads designed for use in aircraft engine mounts are measured. The results, in mm, are 41.83, 41.01, 42.68, 41.37, 41.83, 40.55, 41.70, and 41.42. Assume that the thicknesses are a sample from an approximately symmetric distribution.

 

 

Can you conclude that the mean thickness is greater than 41 mm? Compute the appropriate test statistic and find the P-value.

 

 

The appropriate test statistic and the P-value are  and  , respectively. Round the P-value to four decimal places. 

 

 
 
 
 
 
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