Basic Statistics 1

1. A specific characteristic of a population is called

2. The listing of the data in order of numerical magnitude is called

3. A variable that assumes any value within a range is called

4. The data which have already been collected by someone are called

5. Given $X_1=12,X_2=19,X_3=10,X_4=7$, then $\sum_{i=1}^4 X_i$ equals?

6. The mean of a distribution is 23, the median is 24, and the mode is 25.5. It is most likely that this distribution is:

7. The first hand and unorganized form of data is called

8. A constant variable can take values

9. Questionnaire survey method is used to collect

10. Primary data and _____________ data are same

11. The mean of a distribution is 14 and the standard deviation is 5. What is the value of the coefficient of variation?

12. A chance variation in an observational process is

13. Census reports used as a source of data is

14. Data collected by NADRA to issue computerized identity cards (CICs) are

15. Sum of dots when two dice are rolled is

16. The grouped data is also called

17. According to the empirical rule, approximately what percent of the data should lie within $\mu \pm 2\sigma$?

18. If a distribution is abnormally tall and peaked, then is can be said that the distribution is:

19. A parameter is a measure which is computed from

20. The number of accidents in a city during 2010 is