Understanding Basic Statistics 6th Edition by Charles Henry Brase,Corrinne Pellillo Brase

تمرين 54

Archaeology: Ireland Commercial dredging operations in ancient rivers occasionally uncover archaeological artifacts of great, importance. One such artifact is Bronze Age spearheads recovered from ancient rivers in Ireland. A recent study gave the following information regarding discoveries of ancient bronze spearheads in Irish rivers.

(Based on information from Crossing the Rubicon, Bronze Age Studies 5, Lorraine Bourke, Department of Archaeology, National University of Ireland, Galway.)
(a). Make a Pareto chart for these data.
(b). Make a circle graph for these data.