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Using the prepared subset of the Labour Force Survey that has been provided, re-code the Ethnic Group category into Black (Black Caribbean (4) and Black African (5)) and Other (all remaining categories). Re-code Class into three categories: Service Class (Class 1), Intermediate Class (Classes 2 and 3) and Working Class (Classes 4 and 5).
a. Formulate a working hypothesis to test for an association between Ethnic Group and Class recoded in this way. Select an appropriate statistical procedure to test for this association. Run the test using SPSS, producing a contingency table together with test results.
State the working hypothesis that you formulated. Describe the variables you are testing using this hypothesis, and what they mean. Explain why the statistical procedure is appropriate, and whether any of its assumptions are violated. Present and interpret your results, discussing the relations that they demonstrate.
b. Formulate a working hypothesis to test for a difference between the mean weekly income of the two categories of Ethnic Group which you have created. Select an appropriate statistical procedure to test for this association. Run the test using SPSS, producing figures for the group means and test results.
State the working hypothesis that you formulated. Describe the variables you are testing using this hypothesis, and what they mean. Explain why the statistical procedure is appropriate, and whether any of its assumptions are violated. Present and interpret your results, discussing the differences that they show.
c. Discuss what your results for part (a) and (b) might suggest about the relations between Ethnic Groups, Class and mean weekly income, when taken together.
Word limit: 1,500 words (not including tables and their labelling). The normal 10% margin applies. Essays exceeding this will have 5% deducted from their mark. THIS LIMIT WILL BE STRICTLY APPLIED.