Question
Golubitsky & Guillemin, an Ontario accounting firm, is trying to decide between IT training conducted in-house and the use of third-party consultants. To get some
Golubitsky & Guillemin, an Ontario accounting firm, is trying to decide between IT training conducted in-house and the use of third-party consultants. To get some preliminary cost data, each type of training was implemented at two of the firm's offices located in Kingston and Windsor. The table below shows the average annual training cost per employee at each location. Are the mean costs significantly different? Note, that as the sample sizes are large, the decision makers assumed that the sample standard deviations for both samples most likely are approximately equal to the population standard deviations and thereforez-distribution can be used for hypothesis testing. Use 10% level of significance.
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