Question
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
a. Do not reject H0.There is evidence that the average movie ticket sales in San Diego and Portland per week differ.
b. Reject H0. There is no evidence that the average movie ticket sales in San Diego and Portland per week differ.
c. Reject H0. There is evidence that the average movie ticket sales in San Diego and Portland per week differ.
d. Do not reject H0. There is no evidence that the average movie ticket sales in San Diego and Portland per week differ.
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Corporate Financial Accounting
Authors: Carl S. Warren, James M. Reeve, Jonathan Duchac
14th edition
130565353X, 978-1305887510, 1305887514, 978-1305653535
