Basic Statistics 1

1. A parameter is a measure which is computed from

2. A specific characteristic of a population is called

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

4. A chance variation in an observational process is

5. The grouped data is also called

6. Census reports used as a source of data is

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

8. Sum of dots when two dice are rolled is

9. Primary data and _____________ data are same

10. Questionnaire survey method is used to collect

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

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

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

14. 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:

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

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

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

18. A constant variable can take values

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

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