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Pie charts
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The pie chart was first introduced by Scottish engineer William Playfair in 1801. It gained popularity in the 19th century when Florence Nightingale used variants of it to improve sanitation conditions
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#florence nightingale#pie charts#william playfair#statistical breviary#coxcomb chart
Premium Content
Pie charts
6,000so'm
Betlar soni
11 taFayl hajmi
513.63 KBFayl turi
.pptx
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