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Mathematics, 01.02.2021 20:40 bbqchicken243

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. River Bann Black water Erne Shannon Barrow
No of spearcheads 25 7 15 33 14

Required:
a. Make a Pareto chart for these data.
b. Make a circle graph for these data.

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