A sample of 26 offshore oil workers took part in a simulated escape exercise, re

Question

A sample of 26 offshore oil workers took part in a simulated escape exercise, resulting in the accompanying data on time (sec) to complete the escape. ("Oxygen Consumption and Ventilation During Escape from an Offshore Platform," Ergonomics, 1997 281-292) Check sum 9638 (The sum of all the data is 9638. Use this value as a double check that you 1. 389 424 373 325 374 397 enter data correctly.) 356 325 370 339 359 359 394 364 393 356 363 402 366 392 403 375 373 364 369 334 A) B) Which measure of central tendency should you use with this data? Explain your reasoning Which measure of variation should you use with this data? Explain your reasoning

Explanation / Answer

A) We used mean as a measure of central tendency for this data because in this data there are no outlier.

B) We use variance as measure of variation in this data because there are spread in the data.  

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