1. The 1st quartile of the ages of 250 fourth year students is 16 years old. Which of the following statements is true? A. Most of the students are below 16 years old. B. Twenty-five percent of the students are 16 years old. C. One hundred fifty students are younger than 16 years. D. Seventy-five percent of the students are 16 years old and above.

2. In a 100-item test, the passing mark is the 3rd quartile. What does it imply? A. The students should answer at least 75 items correctly to pass the test. B. The students should answer at least 50 items correctly to pass the test. C. The students should answer at most 75 items correctly to pass the test. D. D. The students should answer at most 50 items correctly to pass the test.

3. In a group of 55 examinees taking the 50-item test, Rachel obtained a score of 38. This implies that her score is____. A. below the 50th percentile B. at the upper quartile C. below the 3rd decile D. the 55th percentile

4. Consider the score distribution of 15 students given below: 83 72 87 79 82 77 80 73 86 81 79 82 79 74 74 The mean in the given score distribution of 15 students can also be interpreted as . A. seven students scored lower than 79 B. seven students scored higher than 79 C. fourteen students scored lower than 79 D. seven students scored lower than 79 and seven students scored higher than 79

5. The median score is also the . A. 75th percentile

B. 5th decile C. 3rd decile

D. 1st quartile

6. When a distribution is divided into hundred equal parts, each score point that describes the distribution is called a . A. decile

B. median

C. percentile

D. quartile

7. The lower quartile is equal to . A. 50th percentile

B. 25th percentile C. 2nd decile

D. 3rd quartile

8. Rochelle got a score of 55 which is equivalent to 70th percentile in a mathematics test. Which of the following is NOT true? A. If the passing mark is the first quartile, she passed the test. B. Thirty percent of the class got scores of 55 and above. C. She scored above 70% of her classmates. D. Her score is below the 5th decile.

9. In the set of scores: 14, 17, 10, 22, 19, 24, 8, 12, and 19, the median score is . A. 17

B. 16

C. 15

D. 13

10. In a 70-item test, Melody got a score of 50 which is the third quartile. This means that: A. she got the highest score. B. she surpassed 75% of her classmates. C. her score is higher than 25% of her classmates. D. seventy-five percent of the class did not pass the test.