alleryआँकड़े 5, 7, 9, 11, 13 समांतर श्रेणी में हैं। इनकी माध्यिका क्या है?
A9
B8
C11
D7
Answer & Solution
Correct answer: A. 9
पाँच व्यवस्थित मानों का मध्य मान 9 है, जो कि माध्य 45/5 के भी बराबर है।
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