The accompanying data are drive-through service times (seconds) recorded at a fast food restaurant during dinner times. Assuming that dinner service times at the restaurant's competitor have standard deviation sigmaσequals=64.4 sec, use a 0.01 significance level to test the claim that service times at the restaurant have the same variation as service times at its competitor's restaurant. Use the accompanying data to identify the null hypothesis, alternative hypothesis, test statistic, and P-value. Then state a conclusion about the null hypothesis. LOADING... Click on the icon to view the data. Identify the null and alternative hypotheses. Choose the correct answer below. Service Times 168 103 128 333 110 98 325 156 197 112 221 103 114 106 166 121 105 173 166 197 144 172 93 125 174 314 328 125 78 101 161 133 192 64 155 271 187 119 296 285 267 81 214 63 189 125 105 141 152 106 138 A. Upper H 0 : sigma equals 64.4H0: σ=64.4 minutes Upper H Subscript Upper A Baseline : sigma less than 64.4HA: σ<64.4 minutes B. Upper H 0 : sigma less than 64.4H0: σ<64.4 minutes Upper H Subscript Upper A Baseline : sigma equals 64.4HA: σ=64.4 minutes C. Upper H 0 : sigma greater than or equals 64.4H0: σ≥64.4 minutes Upper H Subscript Upper A Baseline : sigma less than 64.4HA: σ<64.4 minutes D. Upper H 0 : sigma equals 64.4H0: σ=64.4 minutes Upper H Subscript Upper A Baseline : sigma not equals 64.4HA: σ≠64.4 minutes Your answer is correct. Compute the test statistic. The P-value of the test statistic is:??? (Round to three decimal places as needed.)

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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The accompanying data are drive-through service times (seconds) recorded at a fast food restaurant during dinner times. Assuming that dinner service times at the restaurant's competitor have standard deviation

sigmaσequals=64.4

sec, use a

0.01

significance level to test the claim that service times at the restaurant have the same variation as service times at its competitor's restaurant. Use the accompanying data to identify the null hypothesis, alternative hypothesis, test statistic, and P-value. Then state a conclusion about the null hypothesis.

Click on the icon to view the data.

Identify the null and alternative hypotheses. Choose the correct answer below.

Service Times

168

103

128

333

110

325

156

197

112

221

103

114

106

166

121

105

173

166

197

144

172

125

174

314

328

125

101

161

133

192

155

271

187

119

296

285

267

214

189

125

105

141

152

106

138

Upper H 0 : sigma equals 64.4H0: σ=64.4

minutes

Upper H Subscript Upper A Baseline : sigma less than 64.4HA: σ<64.4

minutes

Upper H 0 : sigma less than 64.4H0: σ<64.4

minutes

Upper H Subscript Upper A Baseline : sigma equals 64.4HA: σ=64.4

minutes

Upper H 0 : sigma greater than or equals 64.4H0: σ≥64.4

minutes

Upper H Subscript Upper A Baseline : sigma less than 64.4HA: σ<64.4

minutes

Upper H 0 : sigma equals 64.4H0: σ=64.4

minutes

Upper H Subscript Upper A Baseline : sigma not equals 64.4HA: σ≠64.4

minutes

Your answer is correct.

Compute the test statistic.

The P-value of the test statistic is:???

(Round to three decimal places as needed.)

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