INTERPRETING AND ANALYZING DATA

1.       Chelly got a score of 55 which is equivalent to 70^th percentile in a Mathematics Test. Which of the following is NOT true?

• A.      She scored above 70% of her classmates.

• B.      Thirty percent of the class got scores of 55 and above.

• C.      If the passing mark is the first quartile, she passed the test.

• D. Her score is below the 5^th decile.

2.       In a 70-item test, Gretchien got a score of 50 which is the 3^rd quartile. This means that:

• A.      She got the highest score.

• B.      Her score is higher than 25% of her classmates.

• C. She surpassed 75% of her classmates

• D. 75% of the class did not pass the test.

3.       The 1^st quartile of the ages of 250 Grade 10-Students of Sabang National High School is 16 years old. Which of the following statements is true?

• A.      Most of the students are below 16 years old.

• B.      75% of the students are 16 years old and above.

• C.      25% of the students are 16 years old.

• One hundred fifty students are younger than 16 years.

4.       In a 100-item test, the passing mark is the 3^rd 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. The students should answer at most 50 items correctly to pass the test.

5.       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 50^th percentile

• B. At the upper quartile

• C. the 55^th percentile

• D. below the 3^rd decile