16. Which of the following measures of variation is more easily affected by the existing scores?
A. Range C. Variance
B. Inter-quartile range D. Standard Variation
17. Which staement is CORRECT about standard deviation?
A. The smaller the standard deviation, the more dispersed the scores are.
B. The larger the standard deviation, the less dispersed the scores are.
C. It is a measure of central tendency.
D. The larger the standard deviation, the more dispersed the scores are.
18. Given are two sets of score distribution:
SET A: 10, 11, 11, 11, 12, 15, 17, 19, 20, 24, 25, 30
SET B: 12, 13, 15, 15, 16, 18, 18, 20, 24, 26, 29, 30
Which statement best describes both sets of data?
A. The range of Set A is 20.
B. The scores in Set A are more dispersed than the scores in Set B.
C. The range of Set B is 19.
D. The scores in Set B
19. Ryan Christopher 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?
A. Ryan Christopher does not excel in Science nor in English.
B. Ryan Christopher is better in Science than in English.
C. Ryan Christopher excels in both Science and English.
D. Ryan Christopher is better than Science than in English.
20 Which group of scores is less varied?
A. C.
B. D.
(21 -22.) Study this group of tests which was administered with the following results:
Subject Mean (x) Standard Deviation () Matt's Score ()
Mathematics 83 2.5 85
English 86 3 85
PE 86 2.75 88
21. In which group are scores most dispersed?
A. Mathematics B. PE C. English D. Both PE and English
22. In which group are scores less dispersed?
A. Mathematics B. PE C. English D. Both PE and Engish
23. Which of the following statements best describes a positively skewed score
distribution?
A. The mean and median are equal. C. The mode is high.
B. Most of the scores of the students are high. D. Most of the scores of the students are low.
24. Which is true about normal distribution?
A. The mean and median are equal. C. The mode is high.
B. Most of the scores of the students are high. D. Most of the scores of the students are low.
25 Most of the students who took the examination got scores above the mean.
What is the graphical representation of their scores?
A. Normal curve B. Mesokurtic C. Positively Skewed D. Negatively Skewed
26 Which statement best describe a negatively skewed score distribution?
A. Most examinees got scores above the mean. C. The value of mode corresponds to a low score.
B. The value of meadian and mode are equal. D. The value of median is higher than the value of mode.
27 The graphical representation of a class with academically poor students are
A. Normally distributed B.. Skewed to the left C. Skewed to the right D. Leptokurtic
28 Which of the following best describes skewed score distribution?
A. The scores are normallly distributed. C. The mode, the mean, and the median are equal.
B. The mean and the median are equal. D. The scores are clustered more at one end or the other end.
29 Which of the following best describes the distribution if a class is composed of bright students?
A. Negatively skewed B. Positively skewed C. Skewed to the right D. Normally distributed
30 What does a negatively skewed score distribution mean?
A. The scores are concentrated on the left side of the curve. C. The students must be academically poor.
B. The scores are widespread. D. The scores are concentrated on the right side of the curve.
31 What measure of position is appropriate when the distribution is symmetric?
A. Mean B. Mean and median C. Mode D. Median
the other end.
