Archaeology: Pottery The following table shows ceremonial ranking and type of pottery sherd for a random sample of 434 sherds at a location in the Sand Canyon Archaeological Project, Colorado (The Architecture of Social Integration in Prehistoric Pueblos, edited by Lipe and Hegmon):

Ceremonial Ranking Cooking Jar Sherds Decorated Jar Sherds

(Noncooking) Row Total A 86 49 135 B 92 53 145 C 79 75 154 Column Total 257 177 434 Use a chi-square test to determine if ceremonial ranking and pottery type are independent at the 0.05 level of signifi cance.