Basic Statistics and Data Analysis

Statistics Lecture Notes, Online MCQs

MCQs Statistics Online Test 10

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This quiz contains MCQs Statistics Online Test with answers covering variable and type of variable, Measures of central tendency such as mean, median, mode, Weighted mean, data and type of data, sources of data, Measures of Dispersion/ Variation, Standard Deviation, Variance, Range, etc. Let us start the MCQs Statistics Online Test for the preparation of the PPSC Statistics Lecturer Post.

1. Commodities subject to considerable price variations could best be measured by:

 
 
 
 

2. Which measure of dispersion is the least affected by extreme values?

 
 
 
 

3. Cumulative frequency is

 
 
 
 

4. Measurements usually provide:

 
 
 
 

5. Sum of absolute deviations about median is

 
 
 
 

6. Which measure of dispersion ensures the highest degree of reliability?

 
 
 
 

7. The correct relationship between AM, GM, and HM is

 
 
 
 

8. The extreme values in negatively skewed distribution lie in the:

 
 
 
 

9. Data Classified by attributes are called:

 
 
 
 

10. If a constant value 5 is subtracted from each observation of a set, the variance is:

 
 
 
 

11. Which mean is most affected by extreme values?

 
 
 
 

12. Statistics are aggregates of

 
 
 
 

13. Harmonic men gives more weightage to:

 
 
 
 

14. The appropriate average for calculating average percentage increase in population is

 
 
 
 

15. Sum of square of the deviations about mean is:

 
 
 
 

16. Statistics results are:

 
 
 
 

17. When mean, median, and mode are identical, the distribution is:

 
 
 
 

18. If each observation of a set is divided by 10, the standard deviation of the new observation is:

 
 
 
 

19. The measures of dispersion are changed by the change of:

 
 
 
 

20. A set of values is said to be relatively uniform if it has:

 
 
 
 

Introductory statistics deals with the measure of central tendencies (that include mean (arithmetic mean, or known as average), median, mode, weighted mean, geometric mean, and Harmonic mean) and measure of dispersion (such as range, standard deviation, and variance).

Introductory statistical methods include planning and designing the study, collecting data, arranging, and numerical and graphically summarizing the collected data. Basic statistics also used to perform different statistical analyses to draw meaningful inferences.

Basic Statistics MCQs Test

A basic visual inspection of data using some graphical and also with some numerical statistics may give much useful hidden information that is already available in the data. The graphical representation includes a bar chart, pie chart, dot chart, and box plot, etc.

Companies related to finance, communication, manufacturing, charity organizations, government institutes, simple to large businesses, etc. are all examples that have a massive interest in collecting data and measuring different sorts of statistical findings. This helps them to learn from the past, noticing the trends, and planning for the future.

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Muhammad Imdad Ullah

Currently working as Assistant Professor of Statistics in Ghazi University, Dera Ghazi Khan. Completed my Ph.D. in Statistics from the Department of Statistics, Bahauddin Zakariya University, Multan, Pakistan. l like Applied Statistics, Mathematics, and Statistical Computing. Statistical and Mathematical software used is SAS, STATA, GRETL, EVIEWS, R, SPSS, VBA in MS-Excel. Like to use type-setting LaTeX for composing Articles, thesis, etc.

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