Statistics Homework

Chapter 6

Scan: http://bit.ly/sris06 (lower case sris with zero six)

Set A, p.212–214: 2, 4, 6.

Set B, p.222: 28 (Also run another supermarket simulation with 1000 trials using mean difference. Bonus: also use the Chapter 5 difference-in-means method instead of the mean-difference method and compare p values).

Data for Question 28 (you can cut and paste from the website):

Express Lane Regular Lane
337 342
226 472
502 456
408 529
151 181
284 339
150 229
357 263
349 332
257 352
321 341
383 397
565 694
363 324
85 127