In: Statistics and Probability
Store 1 (in Seconds) |
Store 2 (in Seconds) |
470 |
375 |
394 |
319 |
167 |
266 |
293 |
324 |
187 |
244 |
115 |
178 |
195 |
279 |
400 |
289 |
228 |
342 |
315 |
212 |
195 |
|
188 |
population mean waiting of store 1
population mean waiting of store 2
sample mean waiting time and standard deviation of store 1
Sample mean wait time and standard deviation of store 2
We conclude that there is not enough evidence to support that the mean waiting time for checkout at Store 1 is lower than that of Store 2.
95% Confidence interval
PL??