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A movie theater company wants to see if there is a difference in the average movie ticket sales in San Diego and Portland per week.
A movie theater company wants to see if there is a difference in the average movie ticket sales in San Diego and Portland per week. They sample 20 sales from San Diego and 20 sales from Portland over a week. Test the claim using a 5% level of significance. Assume the variances are unequal and that movie sales are normally distributed.
San Diego | Portland |
234 | 211 |
221 | 214 |
202 | 228 |
214 | 222 |
228 | 218 |
244 | 216 |
182 | 222 |
245 | 220 |
215 | 228 |
233 | 224 |
227 | 234 |
217 | 219 |
219 | 226 |
234 | 226 |
255 | 219 |
235 | 228 |
211 | 212 |
248 | 216 |
232 | 217 |
233 | 214 |
Choose the correct decision and summary based on the p-value.
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