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The budget director at Nexus Accounting wants to know if employees in Audit have larger daily expenses than those in sales. He takes a sample and uses Excel to explore the data. Use = .05. Do audit employees have a larger daily expense than sales employees?

	audit ($)	sales ($)
	131	125
	135	102
	146	129
	165	143
	136	149
	142	120
		139

t-Test: Two-Sample Assuming Unequal Variances
	audit ($)	sales ($)
Mean	142.5	129.571
Variance	149.9	253.286
Observations	6	7
Hypothesized Mean Difference	0
df	11
t Stat	1.653
P(T<=t) one-tail	0.063
t Critical one-tail	1.796
P(T<=t) two-tail	0.127
t Critical two-tail	2.201

Use = .05. Do audit employees have a larger daily expense than sales employees?