Consider sellers A and B. Compute the rank correlation between their sales.

Use the following information to answer questions 55–58. A movie theater opens 3 ticket windows operated by 3 ticket sellers. If the sellers are equally effective, they should sell about the same numbers of tickets. The table gives the ticket sales of the ticket sellers for the last 10 shows. Assume the data do not follow a normal distribution.

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Show 1 2 869SAWN 3 4 5 7 9 10 Seller A 340 310 300 234 257 297 316 277 241 281 B 330 320 279 245 256 296 317 232 250 271 350 301 295 235 273 313 354 243 253 248