1. What measure of variability is the simplest? A Mean Deviation B. Range C. Standard Deviation D. Variance 2. Which is true about the measures of variability? A. The smaller the standard deviation, the less reliable the scores. B. The higher the standard deviation, the more reliable the scores. C. The smaller the standard deviation, the less spread the distribution. D. The smaller the standard deviation, the more spread the distribution,
3. If two classes have the same measures of variability, what do you need to compare the two classes? A Determine the average of the two classes. B. Determine which class got the highest scores. C. Determine which class who got more high scores. D. Determine which class have more scores around the mean.
4. Which measure is the mean of the square deviations from the mean of a frequency distribution? A Mean Deviation B. Range C. Standard Deviation D. Variance
5. Which measure is considered the best indicator of the degree of dispersion among the measures of variability? A. Mean Deviation B. Range C. Standard Deviation D. Variance
6. Find the range of the given data: 3, 8, 15, 12, 6, 5, 9, 16. (NOTE: R = H-L) A. 10 B. 11 C. 12 D. 13
For items 7-8. Calculate the mean deviation of 2, 4, 6, 8, 10.
NOTE: Mean Deviation - /x-x/ N
7. What is the value of the Mean? A 3 B. 4 C. 5
8. What is the value of the Mean Deviation? D. 6 A. 2.4 B 2.5 C. 2.6 D. 2.7 For items 9 10. Find the variance of the following: 5, 6, 2, 3, 1, 7, 4, 8.
NOTE: 02 = XXL N-1
9. What is the value of the Mean? A 3 B. 3.5 in What is the value of the variance? D. 4.5 C. 4
3. If two classes have the same measures of variability, what do you need to compare the two classes? A Determine the average of the two classes. B. Determine which class got the highest scores. C. Determine which class who got more high scores. D. Determine which class have more scores around the mean.
4. Which measure is the mean of the square deviations from the mean of a frequency distribution? A Mean Deviation B. Range C. Standard Deviation D. Variance
5. Which measure is considered the best indicator of the degree of dispersion among the measures of variability? A. Mean Deviation B. Range C. Standard Deviation D. Variance
6. Find the range of the given data: 3, 8, 15, 12, 6, 5, 9, 16. (NOTE: R = H-L) A. 10 B. 11 C. 12 D. 13
For items 7-8. Calculate the mean deviation of 2, 4, 6, 8, 10.
NOTE: Mean Deviation - /x-x/ N
7. What is the value of the Mean? A 3 B. 4 C. 5
8. What is the value of the Mean Deviation? D. 6 A. 2.4 B 2.5 C. 2.6 D. 2.7 For items 9 10. Find the variance of the following: 5, 6, 2, 3, 1, 7, 4, 8.
NOTE: 02 = XXL N-1
9. What is the value of the Mean? A 3 B. 3.5 in What is the value of the variance? D. 4.5 C. 4
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