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An Internet Server Claimed That Its Users Averaged 15 Hours

Question 205

Essay

An Internet server claimed that its users averaged 15 hours per week. To determine whether this was an overstatement, a competitor conducted a survey of 150 customers and found that the average time spent online was 13 hours per week with a standard deviation of 6.5 hours. Do the data provide sufficient evidence to indicate that the average hours of use are less than that claimed by the first Internet server? Test at the 1% level of significance.
Test statistic = ______________
p-value = ______________
Conclusion: ______________
Interpretation: __________________________________________

Correct Answer:

verifed

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-3.768; -2.33; Rejec...

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