State with statistical support whether or not there is an association between net sales and payment method. There should be substantial statistical support included but also make sure to state whether or not there is an association and then your reasoning/support similar to what you were shown in the Worksheet #7's example (one example there that is very similar to this type of problem). Compare all six results (mean, minimum, lower quartile, median, upper quartile and maximum) of the quantitative variable between the various levels of the categorical variable. Again, as shown in the example on Worksheet 7 (near the end of that worksheet)