Assignment i sales stall and the audit stan sne collected the following sample information. Sales ($) 142 170 140 121 120 168 Audit ($) 130 124 103 146 117 141 106 At the 0.01 significance level, can she conclude that the mean daily expenses are greater for the sales staff than the a. State the decision rule. (Round the final answer to 3 decimal places.) Reject Ho ift> b. Compute the pooled estimate of the population variance. (Round the final answer to 2 decimal places.) Pooled estimate of the population variance c. Compute the value of the test statistic. (Round the final answer to 3 decimal places.) Value of the test statistic d. State your decision about the null hypothesis. (Click to select) v Ho : Us = Ha e. Estimate the p-value. (Round the final answer to 4 decimal places.) The p-value is