एक जाँच में परिणामों की सीमा बहुत व्यापक है लेकिन औसत दोनों समूहों में समान है। कौन-सी जानकारी निष्कर्ष के लिए महत्वपूर्ण होगी?
In an investigation the range of results is very wide although the means of two groups are equal. Which information is important for the conclusion?
Explanation opens after your attempt
A. परिणामों का प्रसार और नमूना आकारSpread of results and sample size
Concept
A wide spread indicates uncertainty even when the means are equal. In exams examine distribution as well as the mean.
Why this answer is correct
The correct answer is A. परिणामों का प्रसार और नमूना आकार / Spread of results and sample size. A wide spread indicates uncertainty even when the means are equal. In exams examine distribution as well as the mean.
Exam Tip
समान औसत के बावजूद व्यापक प्रसार समूहों की अनिश्चितता दिखाता है। परीक्षा में केवल औसत नहीं बल्कि वितरण भी देखें।
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