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Statistics Practice Test Questions: Measures of Central Tendency and Dispersion
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Statistics Practice Test Questions: Measures of Central Tendency and Dispersion
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25 Questions

1. The mean of 10 numbers is 9, then the sum (total) of these numbers will be________
2. Arithmetic Mean is __________ affected by extreme values
3. Sum of absolute deviations about median is_________
4. Sum of deviations will be zero if it is taken from___________
5. What is the average of 3%, 7%, 10%, and 16% ?____________
6. The measures of dispersion are changed by the change of_______________
7. Data must be arranged either in ascending or descending order if some want to compute________________
8. The calculation of mean and variance is based on_____________
9. Sum of square of the deviations about mean is___________
10. If the distribution is symmetric about mean then the skewness is_____________.
11. The appropriate average for calculating average percentage increase in population is____________
12. In symmetrical distribution, mean, median, and mode are__________
13. A symmetrical distribution has mean equal to 4. Its mode will be____________
14. The sum of squared deviation is least from____________
15. If mean is less than mode, the distribution will be____________
16. The middle value of an ordered array of numbers is the_____________
17. The algebraic sum of deviations from mean is__________
18. Find the median of the following data: 160, 180, 200, 280, 300, 320, 400______________
19. The values of mean, median and mode can be____________
20. Harmonic men gives more weightage to____________
21. ________ is the measure of average which can have more than one value____________
22. Statistics are aggregates of______________
23. If any of the value in data set is negative then it is impossible to compute___________
24. The shape of symmetrical distribution is _______
25. What is the arithmetic mean of the data set: 4, 5, 0, 10, 8, and 3?____________

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