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. Use a chi-square to determine if ceremonial ranking and pottery type are independent at the 0.05 level of significance. Ceremonial Ranking Cooking Jar Sherds Decorated Jar Sherds Row total A 86 49 135 B 92 53 145 C 79 75 154 Column total 257 177 434

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  1. 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.

Use a chi-square to determine if ceremonial ranking and pottery type are independent at the 0.05 level of significance.

Ceremonial Ranking

Cooking Jar Sherds

Decorated Jar Sherds

Row total

A

86

49

135

B

92

53

145

C

79

75

154

Column total

257

177

434

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