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. 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.

• A. Do not reject H_0. 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.

Answer 1

Solution :

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