Use the following sample data to answer the next questions. The paired data consist of a random sample of the cost of regionally advertising (in thousands of dollars) a certain pharmaceutical drug and the number of new prescriptions written (in thousands). Use the Spearman's rank correlation coefficient to test for a correlation between the cost of advertising and the number of new prescriptions written. Use a significance level of . -State a conclusion about the null hypothesis and a final conclusion that addresses the original claim.