Answered: The accompanying data are…

Name: The accompanying data are drive-through service times (seconds) reco
Uploaded: 2024-03-20T07:07:12.000Z
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Description: The accompanying data are drive-through service times (seconds) recorded at a fast food restaurant during dinner times. Assuming that dinner service times at the restaurant's competitor have standard deviation σ = 58.1 sec, use a 0.025 significan

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The accompanying data are drive-through service times (seconds) recorded at a fast food restaurant during dinner times. Assuming that dinner service times at the restaurant's competitor have standard deviation σ = 58.1 sec, use a 0.025 significance level to test the claim that service times at the restaurant have the same variation as service times at its competitor's restaurant. Use the accompanying data to identify the test statistic and P-value. Then state a conclusion about the null hypothesis.

H₀: σ = 58.1
H₁: σ ≠ 58.1

Service Times
212
152
183
165
109
184
162
180
115
168
314
138
320
193
113
183
186
111
134
308
223
176
186
79
156
165
333
195
131
144
148
153
149
92
183
291
166
345
211
120
119
98
171
96
183
180
150
288
114
154
114

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