Study the case described below and answer the following questions. Hambrick and Mason's (1984), upper echelons theory posits that organisations reflect their top executives and that top executives view their situations through their own highly personalized lenses. These individualised construals of strategic situations arise because of differences amonq executives in their experiences, values, personalities, and other human factors (Hambrick, 2018). Using the upper echelons perspective, researchers have examined the effects of top management team (TMT) composition and processes on organisational outcomes, as well as the influences of chief executive officer (CEO) characteristics on company strategy and performance. Mr M. Motaung, an organisational researcher, is proposing a study on the impact of emotional intelligence of organisational managers on organisational performance. One of his hypotheses for the proposed study is that the emotional intelligence of organisational managers differs across levels of managers' seniority. To test this hypothesis, he is planning to use a validated closed-ended questionnaire to collect data from 120 managers across different levels of management of three large South African retailers with operations across the country. The table below shows the population of managers and their seniority across the three large South African retailers: Required: 3.1 Based on the statement: "One of his hypotheses for the proposed study is that the emotional intelligence of organisational managers differs across levels of managers' seniority", formulate the null and alternative hypotheses of Mr Motaung's proposed study. (2 marks) 3.2 Specify the independent variable (IV) and the dependent variable (DV) associated with the hypothesis referred to in 3.1 , above. (2 marks) 3.3 Based on the information provided about Mr Motaung's proposed study, critically discuss the method of sampling (6 mrkss) 3.4 Based on the information provided about Mr Motaung's proposed study, propose with justification a suitable statistical test that you would employ to test the hypothesis formulated in 3.1, above. Consider both parametric and nonparametric perspectives. (4 marks)