Basic Statistics and Data Analysis

Statistics Lecture Notes, Online MCQs

MCQs Skewness Basic Statistics 9

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This quiz contains MCQs Skewness and Kurtosis covering the shape of the distribution, 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 Skewness Quiz.

1. For a moderately skewed distribution, which of the following hold

 
 
 
 

2. In symmetrical distribution, mean, median, and mode are:

 
 
 
 

3. Which of the following is negatively skewed?

 
 
 
 

4. Bowley’s coefficient of Skewness lies between

 
 
 
 

5. The distribution in which mean = 60 and mode = 50, will be ____________

 
 
 
 

6. If in a distribution left tail is longer than right tail, then the distribution will be

 
 
 
 

7. The values of mean, median and mode can be

 
 
 
 

8. The shape of symmetrical distribution is _______

 
 
 
 

9. If mean, median, and mode are all equal then distribution will be

 
 
 
 

10. A curve whose tail is longer to the right is called

 
 
 
 

11. If mean is less than mode, the distribution will be

 
 
 
 

12. If mean is less than mode, the distribution is

 
 
 
 

13. A symmetrical distribution has mean equal to 4. Its mode will be

 
 
 
 

14. For a positively skewed distribution

 
 
 
 

15. In a symmetrical distribution, mean is ____________ mode

 
 
 
 

16. The distribution is symmetrical if the moment coefficient of skewness $\sqrt{b_1}$ is

 
 
 
 

17. If the third moment about mean is zero then the distribution is

 
 
 
 

18. The second moment about mean is equal to

 
 
 
 

19. In Uni-model distribution, if mode is less than mean, then the distribution will be

 
 
 
 

20. The empirical relation between mean, median, and mode is

 
 
 
 

Basic statistics deals with the measure of central tendencies (such as mean, median, mode, weighted mean, geometric mean, and Harmonic mean) and measure of dispersion (such as range, standard deviation, and variances).

Basic statistical methods include planning and designing the study, collecting data, arranging, and numerical and graphically summarizing the collected data.

Basic statistics are also used to perform statistical analysis to draw meaningful inferences.

MCQs Skewness

A basic visual inspection of data using some graphical and numerical statistics may give some useful hidden information already available in the data. The graphical representation includes a bar chart, pie chart, dot chart, 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, notice the trends, and plan for the future.

There are various graphical and numerical ways that are used to check the skewness of the data. Skewness is the lack of symmetry in distribution.

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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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