LT in Mathematics 10

Find D6 in this data: 24, 26, 27, 29, 33, 39, 42, 55, 60, 65

• 26

• 33

• 39

• 60

Given the scores of 10-Vision students in Math quiz: 8, 9, 11, 12, 16, 10, 18, 16, and 14. Find Q2 in this data.

• 12

• 14

• 16

• 18

The scores of 15 students in a mathematics seatwork are 3, 4, 4, 5, 5, 5, 5, 6, 6, 7, 7, 8, 8, 8, 9 and 10. What is n?

• 6

• 8

• 10

• 15

Rochelle got a score of 55 which is equivalent to 70th percentile in a mathematics test. Which of the following is NOT true?

• She scored above 70% of her classmates.

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

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

• Her score is below the 5th decile.

In a 100-item test, the passing mark is the 3rd quartile. What does it imply?

• The students should answer at least 75 items correctly to pass the test.

• The students should answer at most 75 items correctly to pass the test.

• The students should answer at least 50 items correctly to pass the test.

• The students should answer at most 50 items correctly to pass the test.

In a 70-item test, Freya got a score of 50 which is the third quartile. What does it mean?

• She got the highest score.

• Twenty-five percent of the students are 16 years old.

• Her score is lower than 25% of her classmates.

• Seventy-five percent of the class did not pass the test.

The passing mark in a 100-item test is the 3rd quartile. What does it imply?

• The students should answer at least 80 items correctly to pass the test.

• The students should answer at least 60 items correctly to pass the test.

• The students should answer at least 30 items correctly to pass the test.

• The students should answer at least 75 items correctly to pass the test.

The 1st quartile of the ages of 250 fourth year students is 16 years old. Which of the following statements is true?

• Most of the students are below 16 years old.

• Twenty-five percent of the students are 16 years old.

• Seventy-five percent of the students are 16 years old.

• One hundred fifty students are younger than 16 years.

In a group of 55 examinees taking the 50-item test, Rachel obtained a score of 38. This implies that her score is ____.

• at the upper quartile

• the 55th percentile

• below the 50th percentile

• below the 3rd percentile

Rheaven is a secretary in a toy company. His salary belongs to the 8th decile. Should he be glad about his salary?

• Yes, 80% of the employees receive less than or equal to his salary.

• No, because the salary is too small for him.

• Statement A and B are both correct.

• Neither statement A nor B is correct.