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A manager of a bank wants to review the performance of its employees for the purpose of increasing salaries and promotions. For this purpose, a

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A manager of a bank wants to review the performance of its employees for the purpose of increasing salaries and promotions. For this purpose, a survey of test results was conducted on three groups of divisions, namely Divisions A, B and C. The test results can be seen in the following table. Division A Division B Division C 4 w ww 4 00 Question : 1. Make a hypothesis from the case above! 2. Test with a significance level of 5 percent, whether there is a difference in the average test results of the three divisions

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