MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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can someone please help with #2 restaurant Y. thank you! 

Refer to the accompanying data set of mean drive-through service times at dinner in seconds at two fast food restaurants. Construct a 99% 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.
Click the icon to view the data on drive-through service times.
Construct a 99% confidence interval of the mean drive-through service times at dinner for Restaurant X.
154.9 sec<μ< 202.7 sec
(Round to one decimal place as needed.)
Construct a 99% confidence interval of the mean drive-through service times at dinner for Restaurant Y.
sec<μ< sec
(Round to one decimal place as needed.)
Restaurant Drive-Through Service Times
Service Times (seconds)
Restaurant X
Restaurant Y
152
81 123 120 145 265 100 125 149 114
184 126 149 161 217 131 114 128 133
330 307 178 109 152 132 139 230
217
145 92 233 237 185 123 93 138 241
202 165 123 60 148 202 147 139
175 115 138 178 147 161 132 169
196 227 191 350 244
230 252 231
306 208 201 178 187 164 85 107 56
108 148 175 155 176 81 149 143 95
157 163 120 140 312 147 131 185 145
204
190
177
131
295
140
134
134
234
170
126
127
X
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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 99% 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. Click the icon to view the data on drive-through service times. Construct a 99% confidence interval of the mean drive-through service times at dinner for Restaurant X. 154.9 sec<μ< 202.7 sec (Round to one decimal place as needed.) Construct a 99% confidence interval of the mean drive-through service times at dinner for Restaurant Y. sec<μ< sec (Round to one decimal place as needed.) Restaurant Drive-Through Service Times Service Times (seconds) Restaurant X Restaurant Y 152 81 123 120 145 265 100 125 149 114 184 126 149 161 217 131 114 128 133 330 307 178 109 152 132 139 230 217 145 92 233 237 185 123 93 138 241 202 165 123 60 148 202 147 139 175 115 138 178 147 161 132 169 196 227 191 350 244 230 252 231 306 208 201 178 187 164 85 107 56 108 148 175 155 176 81 149 143 95 157 163 120 140 312 147 131 185 145 204 190 177 131 295 140 134 134 234 170 126 127 X
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