What is a questionnaire?प्रश्नावली क्या है?
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Correct answer: B. It is a data collection instrument.यह आँकड़ा संग्रहण का उपकरण है।
Explanation
A questionnaire is a set of written questions given to respondents, so it is a tool for collecting data. Analysis of the data gathered is done later by statistical techniques, not by the questionnaire itself.प्रश्नावली उत्तरदाताओं को दिए जाने वाले लिखित प्रश्नों का समुच्चय है, अतः यह आँकड़ा संग्रहण का उपकरण है। एकत्रित आँकड़ों का विश्लेषण बाद में सांख्यिकीय विधियों द्वारा किया जाता है, प्रश्नावली द्वारा नहीं।More Research Aptitude questions
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