नीचे दिया गया डेटा विभिन्न विद्यार्थियों द्वारा प्राप्त अंकों को दर्शाता है।

अंक

विद्यार्थियों की संख्या 

10 – 12 

6

12 – 14 

8

14 – 16

5

16 – 18 

7

18 - 20 

4

 

दिए गए डेटा के माध्य अंक (दो दशमलव स्थानों तक सही) क्या है?

This question was previously asked in
SSC MTS Previous Paper 8 (Held On: 6 August 2019 Shift 2)
View all SSC MTS Papers >
  1. 13.67
  2. 14.67
  3. 15.33
  4. 13.33

Answer (Detailed Solution Below)

Option 2 : 14.67
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SSC MTS 2024 Official Paper (Held On: 01 Oct, 2024 Shift 1)
90 Qs. 150 Marks 90 Mins

Detailed Solution

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 (माध्य) 

माध्य

⇒ n = कुल आवृति

 मध्य मान के गुणनफल का योग - अंतराल मान और उनकी संगत आवृत्तियाँ

10 – 12 का मध्य मान = (10 + 12)/2 = 11

12 – 14 का मध्य मान = (12 + 14 )/2 = 13

14 – 16 का मध्य मान = (14 + 16 )/2 = 15

16 – 18 का मध्य मान = (16 + 18 )/2 = 17

18 – 20 का मध्य मान = (18 + 20 )/2 = 19

⇒ माध्य 

⇒ माध्य = 14.67

∴ दिए गए डेटा के माध्य अंक 14.67 हैं

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