Math 10 4th Quarter

Mrs. Atienza conducted a quiz in Probability. She randomly selected 11 students to take the quiz. The scores of the students are 22, 14, 17, 24, 10, 22, 19, 24, 8, 12, and 19.

What is the Q₁ score?

• 14

• 19

• 12

• 22

Mrs. Atienza conducted a quiz in Probability. She randomly selected 11 students to take the quiz. The scores of the students are 22, 14, 17, 24, 10, 22, 19, 24, 8, 12, and 19. What is the median score?

• 14

• 19

• 12

• 22

The median score is also the      

• A. 75th percentile  

• B. 3rd decile

• C. 5th decile

• D. 1st quartile

The lower quartile is equal to 

• A. 50th percentile  

• B. 2nd decile

• C. 25th percentile

• D. 3rd quartile

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

A. percentile           B. quartile                      C. decile                  D. median

• A

• B

• C

• D

6. The 50th percentile is equivalent to _______.

A. 5th decile           B. mean score           C. 2nd quartile    D. all of the above

• A

• B

• C

• D

Situation: Mr. Romero, a math teacher, distributed the test paper for the third quarter exam. He announced the scores to the class. A group of students obtained the following scores in statistics. 

                  83 72 87 79 82 77 80 73 86 81 79 82 79 74 74

The median score is _______________.   

A. 80        B. 73          C. 82             D. 79

• A

• B

• C

• D

                  83 72 87 79 82 77 80 73 86 81 79 82 79 74 74

The lower quartile is ________________.

A. 74         B. 86          C. 72             D. 79

• A

• B

• C

• D

83 72 87 79 82 77 80 73 86 81 79 82 79 74 74

The value of the 2nd deciles is ____.    

A. 74         B. 72          CB. 85           D. 83

• A

• B

• C

• D

In the set of scores   3,4,6,9,6,4,5,1, the P₂₅ can be found in  

A.     3^rd position         B. First position       C. 2^nd Position     D. 4^th position

• A

• B

• C

• D