I need help with this question!!

You wish to test the following claim (Ha) at a significance level of a = 0.002. Ho: /1 - H2 Ha : /1 > /2 You obtain the following two samples of data. Sample #1 Sample #2 88.6 70.8 73.7 58.8 62.9 65.8 60.6 67 69.6 82.1 82.6 56.7 68.9 50.5 71.3 58.6 95.9 72.1 66.1 57.8 75.9 63.1 63.3 67.8 68.3 92.1 82.6 73.4 58.3 75.9 62.5 58.6 79.4 76.4 60.5 74.3 71.8 66.3 65.8 68.4 49.6 75 67.7 72.1 72 65.1 70.7 70.1 83.2 80.7 73 61.8 63.3 73.6 78.2 69.1 63.6 67.7 72.4 92.1 64.8 61 69.7 76.9 73.7 68.9 66.1 99.3 67.7 71.6 65.6 67.5 73 73 75 81.2 64.9 68.7 69.1 64 76.8 71.1 72.4 87 67.5 70.3 64.4 72.5 58.8 75 77.1 53.5 72.3 59.3 What is the test statistic for this sample? (Report answer accurate to three decimal places.)