एक प्रयोग में छात्र हर परीक्षण के बाद प्रक्रिया थोड़ा बदलता है लेकिन सभी परिणाम एक साथ औसत करता है। इसमें क्या समस्या है?
A student slightly changes the procedure after every trial but averages all results together. What is the problem?
Explanation opens after your attempt
C. परीक्षण समान परिस्थितियों में नहीं हुएThe trials were not conducted under identical conditions
Concept
Results from different procedures are not directly comparable. In exams keep the method constant during repetitions.
Why this answer is correct
The correct answer is C. परीक्षण समान परिस्थितियों में नहीं हुए / The trials were not conducted under identical conditions. Results from different procedures are not directly comparable. In exams keep the method constant during repetitions.
Exam Tip
अलग प्रक्रियाओं से प्राप्त परिणाम सीधे तुलनीय नहीं होते। परीक्षा में दोहराव के दौरान विधि समान रखें।
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