9. (07.02 LC) The manager of a computer repair shop wants to compare the mean nu

Question

9. (07.02 LC) The manager of a computer repair shop wants to compare the mean number of motherboard repairs in a week for two repair techniques. Twenty-four technicians from the shop are selected randomly, and each technician is assigned randomly to one of the two techniques. After teaching 12 technicians one technique and 12 technicians the other technique, the manager records the number of motherboard repairs each technician performs in one week. Which of the following is the MOST appropriate inferential statistical test in this situation? (5 points) A one-sample z-test A paired t-test A two-sample t-test A chi-square goodness-of-fit test A one-sample t-test

Explanation / Answer

We have given two sample. And two technicians. They are working independently. That is work of one technician doesn't affect on the other technician.

So this is a two sample t test.

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