MCQs Statistics Online Test 10 - The Best For Stat Practice ( 100% Score)

MCQs Statistics Online Test 10 You scored 20 points out of 20 points total. 1. Statistics are aggregates of • Methods • Calculations • Facts • Data 2. Harmonic men gives more weightage to: • Small Values • Large Values • Positive Values • Negative Values 3. Which measure of dispersion is the least affected by extreme values? • Range • Mean Deviation • Standard Deviation • Quartile Deviation 4. Measurements usually provide: • Discrete Data • Continuous Data • Qualitative Data • Primary Data 5. If a constant value 5 is subtracted from each observation of a set, the variance is: • Reduced by 5 • Reduced by 25 • Unaltered • Increased by 25 6. The measures of dispersion are changed by the change of: • Scale • Origin • Unit • None of these 7. Sum of square of the deviations about mean is: • Maximum • Minimum • Zero • None of these 8. The appropriate average for calculating average percentage increase in population is • Arithmetic Mean • Harmonic Mean • Mode • Geometric Mean 9. When mean, median, and mode are identical, the distribution is: • Positively Skewed • Negatively Skewed • Symmetrical Bivariate • Uniform 10. Which measure of dispersion ensures the highest degree of reliability? • Range • Mean Deviation • Quartile Deviation • Standard Deviation 11. The extreme values in negatively skewed distribution lie in the: • Middle • Right Tail • Left Tail • Whole Curve 12. Statistics results are: • Absolutely Correct • Not True • True on Average • Universally True 13. The correct relationship between AM, GM, and HM is • $ AM = GM = HM $ • $ GM ge AM ge HM $ • $ HM ge GM ge AM $ • $ AM ge GM ge HM $ Question was not answered 14. A set of values is said to be relatively uniform if it has: • High Dispersion • Zero Dispersion • Littel Dispersion • Negative Dispersion 15. If each observation of a set is divided by 10, the standard deviation of the new observation is: • $ frac{1}{10} $th of standard deviation of original observatoin • $ frac{1}{100} $th of standard deviation of original observation • Not changed • 10 times of standard deviation of original observation 16. Which mean is most affected by extreme values? • Geometric Mean • Harmonic Mean • Arithmetic mean • Trimmed Mean 17. Data Classified by attributes are called: • Qualitative Data • Quantitative Data • Ungrouped Data • Geographical Data 18. Sum of absolute deviations about median is • Zero • Maximum • Minimum • One 19. Cumulative frequency is • Decreasing • Increasing • Different • None of these 20. Commodities subject to considerable price variations could best be measured by: • Price Index • Quantity Index • Value Index • Consumer Price Index