The Bigfoot Field Researchers Organization (www.bfro.net) ma…
The Bigfoot Field Researchers Organization (www.bfro.net) maintains a database of bigfoot/Sasquatch sightings and related reports. According to the BFRO database as of January 2011 the mean number of reports per county in the state of Washington is 12.59 (standard deviation = 14.19). Here are the z-scores for three specific counties: Whitman County: z = -0.89 Cowlitz County: z = -0.03 Skamania County: z = +2.78 Which of these three counties is least representative of the typical county in Washington in terms of the number of Bigfoot reports?