Sources of Stress (AQA A Level Psychology): Exam Questions

A psychologist investigated workplace stress in two groups of people. People in Group A were employed by a company and people in Group B were self-employed.

Each person completed a stress test and was given an overall score. The psychologist then calculated average scores for each group. The results are shown in Table 4 below.

Table 4

Using the data in Table 4, explain how the distribution of scores in Group A differs from the distribution of scores in Group B.