A researcher wants to test the claim that the average salary of tattoo artists is...
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A researcher wants to test the claim that the average salary of tattoo artists is different from $48,890. Heselects a random sample of 16 of these artists and finds the (sample) mean to be $47,995, and he knowsthe (population) standard deviation is $3164. Is there sufficient evidence to support the claim (that thepopulation mean is different from $48,890) at alpha=0.10?
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