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Research Aptitude Practice Session 11 (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

U
thanks a lots for all sharing n caring ...
Dk
4/5.....thanks sirji......
sir 1 tailed error and 2 tailed error k bare me b batana sir
sry i mean 1 tail and 2 tail test
thanks a lotttt
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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. A summary measure that describes any given characteristic of the population is known as a . a) Parameter . b) Information c) Inference d) Statistics

5. 2. The difference between a statistic and the parameter is called: . (a) Probability .(b) Sampling error . (c) Random (d) Non-random

6. 3. If all the units of a population are surveyed, it is called: (a) Random sample . (b)Random sampling . (c)Sampled population (d) Complete enumeration

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

8. 5. In probability sampling, probability of selecting an item from the population is known and is: . (a) Equal to zero (b) Non zero . (c) Equal to one . (d) All of the above