107 Lobster trap placement. Refer to the Bulletin of Marine Science (April 2010) observational study of teams fishing for the red spiny lobster in Baja California Sur, Mexico, Exercise 35 . Trap spacing measurements (in meters) for a sample of seven teams of red spiny lobster fishermen are repeated in the table and saved in the TRAPSPACE file. The researchers want to know how variable the trap spacing measurements are for the population of red spiny lobster fishermen fishing in Baja California Sur, Mexico. Provide the researchers with an estimate of the target parameter using a 99% confidence interval.

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93 99 105 94 82 70 86 Based on Shester, G. G. "Explaining catch variation among Baja Califor- nia lobster fishers through spatial analysis of trap-placement decisions" Bulletin of Marine Science, Vol. 86, No. 2, April 2010 (Table 1), pp. 479-498.