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निम्नलिखित आँकड़े का बहुलक ज्ञात करें-

प्राप्तांक 0-20 20-40 40-60 60-80 80-100
छात्रों की संख्या 8 10 12 6 3

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बहुलक की गणना - वर्ग 40-60 की अधिकतम बारंबारता है।

अत: बहुलक वर्ग = 40 - 60

l = 40

h = 20

f1 = 12

f0 = 10

f2 = 6

बहुलक = \(l+\left(\frac{f_1-f_0}{2 f_1-f_0-f_2}\right) \times h\)

\(=40+\frac{12-10}{2 \times 12-10-6} \times 20\)

\(=40+\frac{2}{24-10-6} \times 20\)

\(=40+\frac{2}{8} \times 20\)

\(=40+5\)

\(=45\)

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