Choose the correct decision and summary based on the above p-value. Reject H0. There is no evidence that the average movie ticket sales in San Diego and Portland per week differ. Do not reject H0. There is no evidence that the average movie ticket sales in San Diego and Portland per week differ. Reject H0. There is evidence that the average movie ticket sales in San Diego and Portland per week differ. Do not reject H0. There is evidence that the average movie ticket sales in San Diego and Portland per week differ

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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. 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

223

209

221

214

206

223

215

221

226

218

243

214

182

222

229

220

214

223

233

224

231

233

217

219

219

226

234

226

239

219

235

228

211

212

239

216

221

219

232

211

The Hypotheses for this problem are:

H0: μ1 = μ2

H1: μ1  μ2

a) Find the p-value. Round answer to 4 decimal places.

Answer: ?

b) Choose the correct decision and summary based on the above p-value.

Reject H0. There is no evidence that the average movie ticket sales in San Diego and Portland per week differ.

Do not reject H0. There is no evidence that the average movie ticket sales in San Diego and Portland per week differ.

Reject H0. There is evidence that the average movie ticket sales in San Diego and Portland per week differ.

Do not reject H0. There is evidence that the average movie ticket sales in San Diego and Portland per week differ.

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