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Two groups have the same mean result but one group has widely spread measurements. What does this indicate?एक प्रयोग में औसत परिणाम समान है लेकिन एक समूह के माप बहुत फैले हुए हैं। इससे क्या संकेत मिलता है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: That group is less reliableउस समूह की विश्वसनीयता कम है
Greater spread shows poorer consistency and lower reliability. In exams examine variation as well as the mean.अधिक फैलाव मापों की कम संगति और कम विश्वसनीयता दिखाता है। परीक्षा में केवल औसत नहीं बल्कि फैलाव भी देखें।
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