Question: The average age of a part time seasonal employee at a
The average age of a part-time seasonal employee at a Vail Resorts ski mountain has historically been 37 years. A random sample of 50 part-time seasonal employees in 2010 had a sample mean age of 38.5 years with a sample standard deviation equal to 16 years. At the 10 percent level of significance, does this sample show that the average age was different in 2010?
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