Refer to the accompanying  data set of mean drive-through service times at dinner in seconds at 2 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 a restaurant y Compare the results.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.3: Measures Of Spread
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Refer to the accompanying  data set of mean drive-through service times at dinner in seconds at 2 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 a restaurant y Compare the results.

**Restaurant Drive-Through Service Times**

The table below displays drive-through service times, in seconds, for two different restaurants (Restaurant X and Restaurant Y).

| Service Times (seconds) | Restaurant X | Restaurant Y |
|-------------------------|--------------|--------------|
|                         | 87           | 102          |
|                         | 118          | 126          |
|                         | 118          | 156          |
|                         | 149          | 120          |
|                         | 267          | 173          |
|                         | 176          | 135          |
|                         | 121          | 106          |
|                         | 156          | 121          |
|                         | 159          | 129          |
|                         | 209          | 126          |
|                         | 337          | 134          |
|                         | 311          | 134          |
|                         | 181          | 134          |
|                         | 114          | 230          |
|                         | 153          | 218          |
|                         | 151          | 295          |
|                         | 95           | 195          |
|                         | 239          | 193          |
|                         | 238          | 102          |
|                         | 183          | 90           |
|                         | 132          | 136          |
|                         | 119          | 109          |
|                         | 66           | 136          |
|                         | 148          | 239          |
|                         | 147          | 144          |
|                         | 169          | 112          |
|                         | 119          | 83           |
|                         | 155          | 154          |
|                         | 141          | 147          |
|                         | 173          | 155          |
|                         | 144          | 147          |
|                         | 129          | 166          |
|                         | 112          | 130          |
|                         | 184          | 207          |
|                         | 198          | 198          |
|                         | 235          | 352          |
|                         | 189          | 245          |
|                         | 239          | 248          |
|                         | 116          | 231          |
|                         | 186          | 230          |
|                         | 206          |
Transcribed Image Text:**Restaurant Drive-Through Service Times** The table below displays drive-through service times, in seconds, for two different restaurants (Restaurant X and Restaurant Y). | Service Times (seconds) | Restaurant X | Restaurant Y | |-------------------------|--------------|--------------| | | 87 | 102 | | | 118 | 126 | | | 118 | 156 | | | 149 | 120 | | | 267 | 173 | | | 176 | 135 | | | 121 | 106 | | | 156 | 121 | | | 159 | 129 | | | 209 | 126 | | | 337 | 134 | | | 311 | 134 | | | 181 | 134 | | | 114 | 230 | | | 153 | 218 | | | 151 | 295 | | | 95 | 195 | | | 239 | 193 | | | 238 | 102 | | | 183 | 90 | | | 132 | 136 | | | 119 | 109 | | | 66 | 136 | | | 148 | 239 | | | 147 | 144 | | | 169 | 112 | | | 119 | 83 | | | 155 | 154 | | | 141 | 147 | | | 173 | 155 | | | 144 | 147 | | | 129 | 166 | | | 112 | 130 | | | 184 | 207 | | | 198 | 198 | | | 235 | 352 | | | 189 | 245 | | | 239 | 248 | | | 116 | 231 | | | 186 | 230 | | | 206 |
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