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For both X and Y  Restaurant X 87 119 117 144 268 185 126 149 165 209 333 308 174 117 159 148 96 236 240 186 151 198 164 121 64 198 181 112 142 172 188 195 230 195 352 309 206 193 180 188 102 151 179 153 176 159 171 127 139 307   Restaurant Y 104 124 151 114 177 138 113 121 131 124 133 136 224 218 296 127 94 137 243 144 141 199 144 143 137 144 161 130 170 134 241 232 249 236 233 173 82 102 52 172 73 148 146 96 131 150 136 188 152 124

For both X and Y  Restaurant X 87 119 117 144 268 185 126 149 165 209 333 308 174 117 159 148 96 236 240 186 151 198 164 121 64 198 181 112 142 172 188 195 230 195 352 309 206 193 180 188 102 151 179 153 176 159 171 127 139 307   Restaurant Y 104 124 151 114 177 138 113 121 131 124 133 136 224 218 296 127 94 137 243 144 141 199 144 143 137 144 161 130 170 134 241 232 249 236 233 173 82 102 52 172 73 148 146 96 131 150 136 188 152 124

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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Question

For both X and Y 

Restaurant X
87
119
117
144
268
185
126
149
165
209
333
308
174
117
159
148
96
236
240
186
151
198
164
121
64
198
181
112
142
172
188
195
230
195
352
309
206
193
180
188
102
151
179
153
176
159
171
127
139
307

 

Restaurant Y
104
124
151
114
177
138
113
121
131
124
133
136
224
218
296
127
94
137
243
144
141
199
144
143
137
144
161
130
170
134
241
232
249
236
233
173
82
102
52
172
73
148
146
96
131
150
136
188
152
124
 
Refer to the accompanying data set of mean drive-through service times at dinner in seconds at two fast food restaurants. Construct a 90% confidence interval estimate of the mean drive-through service time for Restaurant X at dinner; then do the same for Restaurant Y. Compare the results. E Click the icon to view the data on drive-through service times. Construct a 90% confidence interval of the mean drive-through service times at dinner for Restaurant X. |sec <u< sec (Round to one decimal place as needed.) Restaurant Drive-Through Service Times Service Times (seconds) Restaurant X Restaurant Y 87 119 117 144 268 104 124 151 114 177 185 126 149 165 209 138 113 121 131 124 333 308 174 117 159 133 136 224 218 296 96 236 198 148 240 186 127 94 137 243 144 151 164 121 64 141 199 144 143 137 198 181 112 142 172 144 161 130 170 134 188 195 230 195 352 241 232 249 236 233 309 206 193 180 188 173 82 102 52 172 102 151 179 153 176 73 148 146 96 131 159 171 127 139 307 150 136 188 152 124 Print Done
Transcribed Image Text:Refer to the accompanying data set of mean drive-through service times at dinner in seconds at two fast food restaurants. Construct a 90% confidence interval estimate of the mean drive-through service time for Restaurant X at dinner; then do the same for Restaurant Y. Compare the results. E Click the icon to view the data on drive-through service times. Construct a 90% confidence interval of the mean drive-through service times at dinner for Restaurant X. |sec <u< sec (Round to one decimal place as needed.) Restaurant Drive-Through Service Times Service Times (seconds) Restaurant X Restaurant Y 87 119 117 144 268 104 124 151 114 177 185 126 149 165 209 138 113 121 131 124 333 308 174 117 159 133 136 224 218 296 96 236 198 148 240 186 127 94 137 243 144 151 164 121 64 141 199 144 143 137 198 181 112 142 172 144 161 130 170 134 188 195 230 195 352 241 232 249 236 233 309 206 193 180 188 173 82 102 52 172 102 151 179 153 176 73 148 146 96 131 159 171 127 139 307 150 136 188 152 124 Print Done
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