- 1. These are values that divides a set of data into four equal parts.
A) Deciles
B) Percentiles
C) Range
D) Quartiles
- 2. These are values that divides a set of data into one hundred equal parts.
A) Range
B) Quartiles
C) Deciles
D) Percentiles
- 3. These are values that divides a set of data into ten equal parts.
A) Percentiles
B) Deciles
C) Quartiles
D) Range
- 4. It is the difference between Q3 and Q1.
A) Interquartile range
B) Quartiles
C) Range
D) Median
- 5. It divides the distribution into two equal parts.
A) Range
B) Median
C) Quartiles
D) Interquartile range
- 6. Consider the number of students who came into the school Library each hour in a day. { 14, 10, 12, 9, 17, 5, 8, 9, 14, 10 and 11}
Which of the following data is arranged in ascending order?
A) {5, 8, 9, 10, 10, 10, 11, 12, 14, 14, 17}
B) {5, 8, 9, 9, 10, 10, 11, 12, 14, 14, 17}
C) {5, 5, 8, 9, 10, 10, 11, 12, 14, 14, 17}
D) {5, 8, 8, 9, 10, 10, 11, 12, 14, 14, 17}
- 7. Consider the number of students who came into the school Library each hour in a day. { 14, 10, 12, 9, 17, 5, 8, 9, 14, 10 and 11}
What is the value of n or the total number of elements?
A) 13
B) 12
C) 11
D) 10
- 8. Consider the number of students who came into the school Library each hour in a day. { 14, 10, 12, 9, 17, 5, 8, 9, 14, 10 and 11}
What is the value of the Lower Quartile (Q1)?
A) 10
B) 5
C) 9
D) 8
- 9. Consider the number of students who came into the school Library each hour in a day. { 14, 10, 12, 9, 17, 5, 8, 9, 14, 10 and 11}
Find Q2 or the Median.
A) 10
B) 5
C) 9
D) 8
- 10. Consider the number of students who came into the school Library each hour in a day. { 14, 10, 12, 9, 17, 5, 8, 9, 14, 10 and 11}
What is the value of the Upper Quartile (Q3)?
A) 16
B) 17
C) 15
D) 14
- 11. Consider the number of students who came into the school Library each hour in a day. { 14, 10, 12, 9, 17, 5, 8, 9, 14, 10 and 11}
Compute the interquartile range.
A) 5
B) 4
C) 6
D) 7
- 12. Given the set of scores: 1, 27, 16, 7, 31, 7, 30, 31, 3, 4, 21,12.
Locate the position of D7.
A) 5th
B) 7th
C) 6th
D) 8th
- 13. Given the set of scores: 1, 27, 16, 7, 31, 7, 30, 31, 3, 4, 21,12.
What is the value of D7?
A) 30
B) 31
C) none of the above
D) 27
- 14. Given the set of scores: 1, 27, 16, 7, 31, 7, 30, 31, 3, 4, 21,12.
If the median is 16 what is the value of D5?
A) 16
B) 4
C) 7
D) 21
- 15. Given the set of scores: 1, 27, 16, 7, 31, 7, 30, 31, 3, 4, 21,12.
What is the value of D2?
A) 1
B) 3
C) 7
D) 4
- 16. What is the formula in locating D2?
A) D2=10/2(n + 1)th
B) D2=2/10(n + 1)th
C) D2=2/4(n + 1)th
D) D2=2/100(n + 1)th
- 17. The median score is also the
A) 3rd decile
B) 5th decile
C) 1st quartile
D) 75th percentile
- 18. The lower quartile is equal to
A) 50th percentile
B) 3rd quartile
C) 2nd decile
D) 25th percentile
- 19. Given the score of 11 students in their mathematics activity:
1, 3, 4, 7, 7, 16, 21, 27, 30, 31, 31
Locate the position of P50.
A) 6th
B) 5th
C) 3rd
D) 4th
- 20. Given the score of 11 students in their mathematics activity:
1, 3, 4, 7, 7, 16, 21, 27, 30, 31, 31
What is the value of P50?
A) 27
B) 7
C) 16
D) 21
- 21. What is the formula in calculating Percentiles?
A) Pk = LB [(KN/100 - cfb)/fpk]i
B) Pk = LB + [(KN/100 - cfb)/fpk]i
C) Pk = LB + [(KN/10 - cfb)/fpk]I
D) Pk = LB + [(KN/4 - cfb)/fpk]i
- 22. What is the lower boundary of the class interval 35 – 39 ?
A) 39.5
B) 44.5
C) 29.5
D) 34.5
- 23. How many students got the score within 30 – 34 ?
A) 2
B) 6
C) 9
D) 10
- 24. What is the class size of the class interval?
A) 5
B) none of the above
C) 6
D) 4
- 25. What is the total frequency?
A) 27
B) 46
C) 39
D) 50
- 26. What is the value of the first quartile?
A) 45
B) 43.88
C) 32
D) 38.5
- 27. What is the value of the third quartile?
A) 44.9
B) 44.5
C) 44.0
D) 43.88
- 28. What is the lowest class interval?
A) 21-25
B) 41-45
C) 31-35
D) 46-50
- 29. How many class intervals are there in the distribution?
A) 6
B) 4
C) 5
D) 3
- 30. The lower limit of the class interval 46-50 is
A) 46.5
B) 45
C) 45.5
D) 46
- 31. What is the D7 class in column <cf?
A) none of the above
B) 27
C) 38
D) 46
A) 38.14
B) 39,14
C) 36.14
D) 37.14
- 33. In solving for the 60th percentile, the lower boundary to use is ______.
A) 39
B) 39.5
C) 34.5
D) 34
- 34. What cumulative frequency should be used in solving for the 35th percentile?
A) 4
B) 12
C) 7
D) 18
- 35. The 50th percentile is equivalent to ________.
A) 2nd quartile
B) all of the above
C) 5th decile
D) median score
- 36. The 45th percentile is _________.
A) 32.7
B) 33.4
C) 30.8
D) 35.6
- 37. The 50th percentile is _________.
A) 36.5
B) 36.0
C) 36.5
D) 37.5
- 38. What is the class size?
A) 10
B) 11
C) 9
D) 12
- 39. What is the lower boundary of the class interval 71-80?
A) 72
B) 71.5
C) 70
D) 70.5
- 40. Find how many percent of the scores are greater than the cumulative frequency of 100.
A) 19.19 %
B) 19%
C) 18%
D) 18.5%
- 41. Therefore, what percent of the scores are less than the cumulative frequency of 100?
A) 80.81%
B) 81%
C) 82%
D) 81.5%
- 42. While what percent of the scores are greater than the cumulative frequency of 100?
A) 19.19 %
B) 18.5%
C) 18%
D) 19%
- 43. In a 70 – item test, Melody got a score of 50 which is the third quartile. This means that
A) She surpassed 75% of his classmates.
B) Her score is higher than 25 of his classmates.
C) Seventy – five percent of the class did not pass the test.
D) She got the highest score
- 44. The 1st quartile of the ages of 250 fourth year students is 16 years. Which of the following statements is
true. ?
A) Seventy – five percent of the students are 16 years old and above.
B) Twenty – five percent of the students are 16 years old.
C) One hundred fifty students are younger than 16 years.
D) Most of the students are below 16 years old.
- 45. In a 100 – item test, the passing mark is the 3rd quartile. What does it imply?
A) The students should answer at most 75 items correctly to pass the test.
B) The students should answer at least 50 items correctly to pass the test.
C) d. The students should answer at most 50 items correctly to pass the test.
D) The students should answer at least 75 items correctly to pass the test.
- 46. Rochelle got a score of 55, which is equivalent to a 70th percentile rank in a mathematics test. Which of the
following is NOT true?
A) Thirty percent of the class got scores of 55 and above.
B) If the passing mark is the first quartile, she passed the test
C) Her score is below the 5th decile.
D) She scored above 70% of her classmates.
- 47. Mel’s score in a 75 – item test was the median score. What is his percentile rank?
A) 25th
B) 35th
C) 75th
D) 50th
- 48. In a group of 55 examinees taking the 50 – item test, Rachel obtained a score of 38 and 38 scores were
above her. This implies that her score is _________.
A) the 38th percentile
B) below the 4th decile
C) the 55th percentile
D) at the upper quartile
- 49. 49.
The following are the family sizes of a sample of 10 households in a slum area : 2, 2, 3, 3, 3, 4, 4, 5, 7, 7.
What is the average family size for these data?
A) 5
B) 4
C) 6
D) 3
- 50. A security guard recorded the number of customers who came into the establishment wearing a combination of face mask and face shield for each hour in a day. The results were 15, 11, 13, 8, 12, 5, 6, 10, 15, 10, and 9. Find the 𝑄1,
A) 10
B) 8
C) 9
D) 7
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