For 40 hardware callers the average was 168 minutes with a

Assignment Help Basic Statistics

Reference no: EM13621355

A computer help desk is provided by Gregory. Some of the callers need assistance with hardware and other with software. A sample of 30 software calls showed an average of 13 minutes with a standard deviation of 1.1 minutes for handling a call. For 40 hardware callers, the average was 16.8 minutes with a standard deviation of 2.1 minutes. The manager decided to assume that the population standard deviations were unequal. At alpha =0.5 can we conclude that it takes less time to resolve software issues? Estimate the P value

Reference no: EM13621355

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