alleryवर्ग अंतराचें वर्ग चिन्न 10-25 अशें आसा:
A12.5
B15
C17.5
D20
Answer & Solution
Correct answer: C. 17.5
1. वर्ग अंतराक ताच्या मध्यबिंदूचेर केंद्रीत आशिल्ल्यावरी वागयतात. 2. वर्गाचो मध्यबिंदू, ताका ताचो वर्गचिन्न अशेंय म्हण्टात, तो ताचे वयले आनी सकयले मर्यादेची सरासरी आसता. 3. हांगा म्हणल्यार (10 + 25) / 2. 4. म्हणल्यार वर्ग गूण 17.5. 5. 15 ही वर्गाची रुंदाय आसता, ताचें केंद्र न्हय, जी सदची स्लिप आसता. _स्त्रोत: अभ्यासक्रम गणित, अध्याय 13 'सांख्यिकी', S13.2 गट केल्ल्या डेटाचें सरासरी_
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