Ms. Lisa Monnin is the budget director for Nexus Media Inc. She would like to compare the daily travel expenses for the sales staff and the audit staff. She collected the following sample information. Sales (5) 125 137 147 162 136 142 Audit (5) 125 98 128 135 145 117 141 The population standard deviations are unknown but assumed to be equal. At the 0.050 signicance level, can she conclude that the mean daily expenses are greater for the sales staff than the audit staff