Patient ages are grouped into $0

Question

Patient ages are grouped into $0<x\le10,10<x\le20,20<x\le30,30<x\le40,40<x\le50$. Frequencies are 240, 180,unknown, 210, 120. The scaled partial histogram shows the first three bars. $\text{0}$ $\text{10}$ $\text{20}$ $\text{30}$ $\text{40}$ $\text{50}$ $\text{0}$ $\text{30}$ $\text{60}$ $\text{90}$ $\text{120}$ $\text{150}$ $\text{180}$ $\text{210}$ $\text{240}$ $\text{270}$ $\text{Age (years)}$ $\text{Frequency}$

Accepted Answer

(a)(i) $150$ (ii) add bars 210 and 120 (b) $36.7\%$.

Completing a patient-age histogram

Completing a patient-age histogram

Solution:

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