1. State the decision rule. (Round your answer to 3 decimal places.) Reject Ho 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 Click to select) Ho: Hs Ha 5. Estimate the p-value. (Round your answers to 3 decimal places.) p-value Click to select

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 25PFA
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Question
4
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
($)
Audit
($)
125 137 147 162 136 142
128 107 130 141 141 108 140
At the 0.01 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.)
Reject Ho 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.
(Click to select) Ho: H₂ Ha
5. Estimate the p-value. (Round your answers to 3 decimal places.)
p-value (Click to select)
Sales
125
137
147
162
136
142
Audit
128
107
130
141
141
108
140
Transcribed Image Text:4 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 ($) Audit ($) 125 137 147 162 136 142 128 107 130 141 141 108 140 At the 0.01 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.) Reject Ho 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. (Click to select) Ho: H₂ Ha 5. Estimate the p-value. (Round your answers to 3 decimal places.) p-value (Click to select) Sales 125 137 147 162 136 142 Audit 128 107 130 141 141 108 140
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