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Refer to the accompanying data set of mean drive-through service times at dinner in seconds at...

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Statistics

Refer to the accompanying data set of mean drive-through servicetimes at dinner in seconds at two fast food restaurants. Constructa 99% confidence interval estimate of the mean drive-throughservice time for Restaurant X at dinner; then do the same forRestaurant Y. Compare the results.

Restaurant X   Restaurant Y
84   104
122   122
118   153
142   119
270   175
181   133
125   115
150   126
166   124
215   128
336   132
305   132
176   229
110   215
152   291
146   122
94   98
236   136
243   239
189   141
158   139
203   201
169   144
125   146
67   133
197   147
182   153
112   137
146   169
178   138
190   236
199   230
228   248
191   239
352   229
302   164
206   85
202   105
181   54
189   170
108   75
153   148
180   140
151   98
175   121
159   147
169   130
125   185
137   153
306   127

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