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OpenStudy (smart8thgrader):
A cardiologist tested the cholesterol levels of 25 of her patients. The results are shown in the table below. Cholesterol Level Number of Patients 195 - 199 2 200 - 204 3 205 - 209 5 210 - 214 9 215 - 219 4 220 - 225 2 What is the cumulative frequency of patients with a cholesterol level under 220? 6 25 2 23
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