Respuesta :
The type of test that you should use will be the independent two sample t test.
How to illustrate the information?
From the information given, it was stated that the research team wants to investigate the usefulness of relaxation training for reducing levels of anxiety in individuals experiencing stress and that they identify 30 people at random from a group of 100 who have "high stress" jobs.
In this case, the type of test that you should use will be the independent two sample t test. This is important to show of there's a significant difference.
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Complete question:
A research team wants to investigate the usefulness of relaxation training for reducing levels of anxiety in individuals experiencing stress. They identify 30 people at random from a group of 100 who have "high stress" jobs. The 30 people are divided into two groups. One group acts as the control group - they receive no training. The second group of 15 receive the relaxation training. The subjects in each group are then given an anxiety inventory. The summarized results appear below where higher scores indicate greater anxiety.
Control X = 30, S = 6.63, n = 15 Relaxation X = 26, S = 6.20, n = 15
What type of test should you use?
