# 4 which of the following measures of variation is

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4. Which of the following measures of variation is more easily affected by the extreme scores? a. Inter-quartile range b. Range c. Standard deviation d. Variance
5. Which statement is CORRECT about standard deviation?
c. The larger the standard deviation, the more dispersed the scores are. d. The smaller the standard deviation, the more dispersed the scores are. 6. Iza is one standard deviation above the mean of his group in Science and one – half standard deviation above the mean for his group in English. What does this mean?
7. Which of the following statements best describes a positively skewed score distribution?
8. Which statement best describes a negatively skewed score distribution? a. The value of median and mode are equal. b. Most examines got scores above the mean. c. The value of mode corresponds to a low score. d. The value of median is higher than the value of mode.
9. Which of the following best describes the distribution if a class is composed of bright students?
10. When points in the scatter gram are evenly spread in all directions, this means that
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