An article in aarp bulletin (jan-feb 2010) reported that women with a high school diploma had average weekly earnings of $520. use the weekly pay data to test the hypothesis that the overall weekly average earning for women is equal to $520. what is the test statistic? answer to three decimal places. note: you can use either the precise values from the data or the slightly rounded values that you have used for previous answers and your final answer will still be correct.