Question

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 ($) 129 133 147 159 138 143 Audit ($) 125 98 128 135 145 117 141 At the 0.005 significance level, can she conclude that the mean daily expenses are greater for the sales staff than the audit staff? picture Click here for the Excel Data File 1. State the decision rule. (Round your answer to 3 decimal places.) Reject H0 if t > 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. H0 : μs ≤ μa 5. Estimate the p-value. (Round your answers to 3 decimal places.) p-value

Answer #1

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 ($)
127
137
140
159
136
138
Audit ($)
122
103
127
136
149
120
142
At the 0.025 significance level, can she conclude that the mean
daily expenses are greater for the sales staff than the audit
staff?
State the decision rule. (Round your...

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 ($)
129
137
142
122
137
145
Audit ($)
128
128
128
140
148
110
132
At the 0.100 significance level, can she conclude that the mean
daily expenses are greater for the sales staff than the audit
staff?
State the decision rule. (Round your...

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 ($)
127
137
140
159
136
138
Audit ($)
123
102
128
143
153
127
131
At the 0.050 significance level, can she conclude that the mean
daily expenses are greater for the sales staff than the audit
staff?
State the decision rule. (Round your...

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 ($)
129
135
148
160
135
144
Audit ($)
122
103
127
136
129
120
142
At the 0.025 significance level, can she conclude that the mean
daily expenses are greater for the sales staff than the audit
staff?
State the decision rule. (Round your...

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 ($)
130
136
147
161
132
147
Audit ($)
131
103
132
132
140
107
132
At the 0.05 significance level, can she conclude that the mean
daily expenses are greater for the sales staff than the audit
staff?
1.
State the decision...

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 ($)
129
135
148
160
135
144
Audit ($)
122
103
127
136
129
120
142
At the 0.025 significance level, can she conclude that the mean
daily expenses are greater for the sales staff than the audit
staff?
State the decision rule. (Round your...

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
($)
125
137
147
162
136
142
Audit ($)
128
107
130
141
141
108
140
At the 0.025 significance level, can she conclude that the mean
daily expenses are greater for the sales staff than the audit
staff?
State the decision rule. (Round your...

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
($)
129
137
142
162
137
145
Audit
($)
131
103
132
132
140
107
132
At the 0.010
significance level, can she conclude that the mean daily expenses
are greater for the sales staff than the audit staff?
A.) State the Decision Rule:...

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 ($) 129 133 147 159 138 143 Audit ($) 122 103
127 136 149 120 142 At the 0.050 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...

Lisa Monnin is the Director of budgets of nexus Media, Inc. She
wants to compare the daily expenses in diets of sales costs of the
audit staff, which compiled the following information on the
samples. Sales ($) 845 826 827 875 784 809 802 820 829 830 842 832
audit ($) 841 890 821 771 850 859 825 829 if we assume that the
population standard deviations are equal and at a level of
significance of 0.10, Monnin conclude that...

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