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 σ=61.9 sec, use a 0.01 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 null hypothesis, alternative hypothesis, test statistic, andP-value. Then state a conclusion about the null hypothesis. Service Times 261 114 114 72 198 94 270 123 115 133 310 121 112 123 136 178 136 180 130 329 147 146 165 281 114 180 204 137 215 123 106 103 114 329 185 300 190 188 180 198 338 218 266 178 277 269 170 215 164 180 170
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 σ=61.9 sec, use a 0.01 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 null hypothesis, alternative hypothesis, test statistic, andP-value. Then state a conclusion about the null hypothesis.
Service Times
261
114
114
72
198
94
270
123
115
133
310
121
112
123
136
178
136
180
130
329
147
146
165
281
114
180
204
137
215
123
106
103
114
329
185
300
190
188
180
198
338
218
266
178
277
269
170
215
164
180
170
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