In: Statistics and Probability
The accompanying data are drive-through service times (seconds) recorded at a fast food restaurant during dinner times. Assuming that dinner service times at therestaurant's competitor have standard deviation σ=58.8 sec, use a 0.025 significance level to test the claim that service times at the restaurant have the same variation as service times at its competitor's restaurant.
192 160 138 81 159 199 151 113 189 161 176 195 295 165 263 161 233
158 107 195 146 333 218 235 126 167 137 104 137 317 144 176 349 170
318 126 133 279 175 315 259 150 163 121 249 121 253 146 139 262 153
x^2= _______________ (to 2 decimals) P value is ________________ (to 3 decimals)