The numbers of faculty at 32 randomly selected state-controlled colleges and
universities with enrollment under 12,000 students
are shown below. Use these data to estimate the mean
number of faculty at all state-controlled colleges and
universities with enrollment under 12,000 with 92%
confidence. Assume o = 165.1.

211 384 396 211 224 337 395 121 356
621 367 408 515 280 289 180 431 176
318 836 203 374 224 121 412 134 539
471 638 425
159 324