A researcher wants to test the claim that the average salary of tattoo artists is different from $48,890. He selects a random

Question

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

Kunduz · Accepted Answer

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