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 ($)

129

135

148

160

135

144

Audit($)

125

110

132

134

142

123

133

At the 0.05 significance level, can she conclude that the mean daily expenses are greater for the sales staff than the audit staff?

Click here for the Excel Data File

1.State the decision rule.(Round your answer to 3 decimal places.)

RejectH₀ift>

2.Compute the pooled estimate of the population variance.(Round your answer to 2 decimal places.)

Pooled variance

3.Compute the test statistic.(Round your answer to 3 decimal places.)

Value of the test statistic

4.State your decision about the null hypothesis.

(Click to select)

Reject

Do not reject

H₀: _{s a}

5.Estimate thep-value.(Round your answers to 3 decimal places.)

p-value(Click to select)

between 0.01 and 0.025

between 0.05 and 0.1

between 0.025 and 0.05

less than 0.01