Question

Twenty-four technicians in a computer repair shop are randomly selected to participate in a study comparing two motherboard repair techniques. They are randomly assigned one of the two techniques. The manager trains 12 technicians on one technique and trains the other 12 technicians on the second technique. He then records the number of motherboard repairs each technician does in one week. Which inferential statistical test would be most appropriate for this scenario?

a) The entire population is measured in both cases, so the actual difference in means can be computed and a confidence interval should not be used.

b) The sample sizes for the two groups are not equal.

c) Age at the time of science discovery occurs at different intervals in the two countries, so the distribution of ages cannot be the same.

d) Age at the time of science discovery is likely to be skewed rather than bell shaped, so the assumptions for using this confidence interval formula are not valid.

e) Age at the time of science discovery is likely to have a few large outliers, so the assumption for using this confidence interval formula is not valid.

Answer 1

Question:

Which inferential statistical test would be most appropriate for this scenario?

Answer:

2 independent samples t test

Explanation:

The 2 samples are : Sample 1: 12 technicians on one technique and Sample 2: 12 technicians on other technique