Prehistoric Ceramic Sherds Response: number of sherds ( = shards of pottery) Factor 1: region of archaeological excavation Factor 2: type of ceramic sherd (three circle red on white, Mogollon red on brown, Mimbres corrugated, bold face black on white) Reference: Woosley, A. I., & McIntyre, A. J. (1995). Mimbres Mogollon Archaeology: Charles C. Di Peso's Excavations at Wind Mountain (No. 10). University of New Mexico Press. https://college.cengage.com/mathematics/brase/understandable_statistics/7e/students/datasets/twan/frames/frame.html pottery-sherds-00.csv (wide) pottery-sherds-01.csv (tall)