किसी वितरण का माध्य तथा माध्यक का अनुपात 2 : 3 है तो बहुलक तथा माध्य का अनुपात है 

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Bihar STET TGT (Maths) Official Paper-I (Held On: 04 Sept, 2023 Shift 2)
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  1. 5 ∶ 2
  2. 2 ∶ 5
  3. 2 ∶ 3
  4. 3 ∶ 2

Answer (Detailed Solution Below)

Option 1 : 5 ∶ 2
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स्पष्टीकरण -

हम जानते हैं कि बहुलक = 3 × माध्य - 2 × माध्य

तब हमारे पास वितरण के माध्य और माध्यिका का अनुपात 2 : 3 है।

माध्यिका = 3x और माध्य = 2x

अब बहुलक = 3 × 3x - 2 × 2x = 9x - 4x = 5x

इसलिए बहुलक : माध्य = 5x : 2x = 5 : 2

अतः बहुलक और माध्य का अनुपात 5 : 2 है।

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