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Research Aptitude Practice Session 15 (in Hindi)
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Talvir Singh is teaching live on Unacademy Plus

Talvir Singh
Double JRF l Commerce/Management l Motivational Speaker | Comedy Addict | Lyricist | 5 Year Teaching Experience |Youtuber l

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Unacademy user
brother Ager main apka pure lessons dekhu to railway me jo questions puchta he direction Ki bare to hum attempts Kar sakta hu kya.......??
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outstanding sirji.....Q4...गजब का framing. ....5/5.....I have cleared my JRF June 2019
  1. RESEARCH APTITUDE


  2. ABOUT ME M.Com & MBA From PU CHANDIGARH JRF QUALIFIED IN COMMERCE WORKING AS ASSISTANT PROFESSOR 2 TIMES UNIVERSITY COLOR HOLDER BEST DEBATER OF PUNJAB (2017) BEST POET OF PU CHANDIGARH (2016) COMEDY ADDICT FREELANCE MOTIVATIONAL SPEAKER YOUTUBER unacademy


  3. PRACTICE SESSION


  4. 1. The standard deviation of any sampling distribution is called: . (a) Standard error . (b) Non-sampling error . (c) Type- I error . (d) Type ll-error


  5. 2. The difference between the expected value of a statistic and the value of the parameter being estimated is called a: . (a) Sampling error (b) Non-sampling error . (c) Standard error . (d) Bias


  6. 3. If a survey is conducted by a sampling design is called: . (a) Sample survey . (b) Population survev . (c) Systematic survey .(d) None


  7. 4. The selection of cricket team for the world cup is called: . (a) Random sampling . (b) Systematic sampling (c) Purposive sampling . (d) Cluster sampling


  8. 5. Non-random sampling is also called: . (a) Biased sampling . (b) Non-probability sampling . (c) Random sampling . (d) Representative sample