Independent random samples of managers yearly salaries in 1 000 taken from governmental and private...
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Independent random samples of managers yearly salaries in 1 000 taken from governmental and private organizations provided the following information Test to determine if there is a significant difference between the average salaries of the managers in the two sectors O X S O n Government 79 10 29 Ho HG Hp 0 Ha HG Hp 20 a Give the hypotheses for the above Ho HG Hp 20 H HG Hp 0 Ho HG Hp 0 Ha HG Hp 0 Private Ho HG Hp 0 H HG Hp 0 73 12 32 Ho HG Hp 0 H HG Hp 0 b Determine the degrees of freedom Round your answer down to the nearest integer c Compute the test statistic Use Government Private Round your answer to three decimal places d At a 0 05 level of significance test to determine if there is a significant difference between the average salaries of the managers in the two sectors O We do not reject Ho There is no significant difference We do not reject Ho There is a significant difference
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