Basic Statistics and Data Analysis

Statistics Lecture Notes, Online MCQs

MCQs Basic Statistics 12

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This quiz contains MCQs about Basic Statistics with answers covering variable and type of variable, Measure of central tendency such as mean, median, mode, Weighted mean, data and type of data, sources of data, Measure of Dispersion/ Variation, Standard Deviation, Variance, Range, etc. Let us start the MCQs Basic Statistics Quiz.

MCQs about Introductory Statistics

1. Which one is the formula of mid-range?

 
 
 
 

2. Which one is the not measure of dispersion?

 
 
 
 

3. According to Chebyshev’s theorem, if a population has a mean of 80 and a standard deviation of 35, at least what proportion of the values lie between 30 and 130?

 
 
 
 

4. The height of a student is 60 inches. This is an example of ____________?

 
 
 
 

5. Data in the Population Census Report is:

 
 
 
 

6. Which one of the following is not included in measures of central tendency?

 
 
 
 

7. The sum of squares of deviations from mean is:

 
 
 
 

8. Which of the following measure does not divide a set of observations into equal parts?

 
 
 
 

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

 
 
 
 

10. In positively skew cure which relation is ______.

 
 
 
 

11. Which of the following is not based on all the observations?

 
 
 
 

12. Which one of the following is the class frequency?

 
 
 
 

13. If a Curve has a longer tail to the right, it is called

 
 
 
 

14. Which of the following divides a group of data into four subgroups?

 
 
 
 

15. The interquartile range is which of the following?

 
 
 
 

16. 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:

 
 
 
 

17. For the given data $2, 3, 7, 0$, and $-8$, the G.M. will be:

 
 
 
 

18. Which of the following is written at the top of the table?

 
 
 
 

19. Which branch of statistics deals with the techniques that are used to organize, summarize, and present the data:

 
 
 
 

20. Suppose data are normally distributed with a mean of 120 and a standard deviation of 30. Between what two values will approximately 68% of the data fall?

 
 
 
 

21. If the mean of the two observations is 10.5, then the median of these two observations will be:

 
 
 
 

22. Which of the following is not a measure of central tendency?

 
 
 
 

23. Consider the following grouped data. What is the sample variance of these data?Frequency Distribution

 
 
 
 

24. Which of the following describe the middle part of a group of numbers?

 
 
 
 

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

 
 
 
 

26. Which dispersion is used to compare the variation of two series?

 
 
 
 

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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.

Basoc Statistics

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, noticing the trends, and planning for the future.

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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