Essay
A music industry professional claims that the average amount of money that an average teenager spends per month on music is at least $50.Based upon previous research,the population standard deviation is estimated to be $12.42.The music professional surveys 20 students and finds that the mean spending is $47.77.Is there evidence that the average amount spent by students is less than $50?
Correct Answer:
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H0 : μ ≥ 50 against H1 : μ < 50
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Correct Answer:
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Test stati...
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