A computer manufacturer offers technical support that is available 24 hours a day, 7 days a week.
Question:
A computer manufacturer offers technical support that is available 24 hours a day, 7 days a week. Timely resolution of these calls is important to the company’s image. For 35 calls that were related to software, technicians resolved the issues in a mean time of 18 minutes with a standard deviation of 4.2 minutes. For 45 calls related to hardware, technicians resolved the problems in a mean time of 15.5 minutes with a standard deviation of 3.9 minutes. At the .05 significance level, does it take longer to resolve software issues? What is the p-value?
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Related Book For 
Basic Statistics For Business And Economics
ISBN: 9781260187502
9th Edition
Authors: Douglas A. Lind, William G Marchal, Samuel A. Wathen
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