MCQs Basic Statistics 12

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

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

3. Data in the Population Census Report is:

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

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

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

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

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

9. Which one is the not measure of dispersion?

10. 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?

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

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

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

14. Consider the following grouped data. What is the sample variance of these data?

15. In positively skew cure which relation is ______.

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

17. The interquartile range is which of the following?

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

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

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

21. 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?

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

23. 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:

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

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

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