he federal government instituted a training program to help participants increase their monthly income. The Department’s inspector general wished to evaluate the program’s success or failure. Monthly income before the training program Monthly income after the training program 1363 1373 1482 1492 1579 1589 1643 1653 1752 1762 1848 1858 1927 1907 2055 2035 2143 2053 2237 2247 1752 1782 1752 1762 1643 1653 1848 1858 1752 1762 Why a Wilcoxon-Ranks test is better for this data set.

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The federal government instituted a training program to help participants increase their monthly income. The Department’s inspector general wished to evaluate the program’s success or failure.

Monthly income before the training program

Monthly income after the training program

1363

1373

1482

1492

1579

1589

1643

1653

1752

1762

1848

1858

1927

1907

2055

2035

2143

2053

2237

2247

1752

1782

1752

1762

1643

1653

1848

1858

1752

1762

Why a Wilcoxon-Ranks test is better for this data set.

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