1
Quartiles divide a distribution into ___ equal parts.
A. 4
B. 10
C. 100
D. 50
A. 4
Deciles divide a distribution into ___ equal parts.
A. 4
B. 10
C. 100
D. 50
B. 10
Percentiles divide a distribution into ___ equal parts.
A. 4
B. 10
C. 100
D. 50
C. 100
Which of the following is NOT a measure of position?
A. Quartiles
B. Percentiles
C. Mean
D. Deciles
C. Mean
What is the other term for mean associated in math?
A. Nice
B. Average
C. Cruel
D. Kind
B. Average
The first quartile (Q1) is also known as the:
A. 50th percentile
B. 25th percentile
C. 75th percentile
D. Median
B. 25th Percentile
The third quartile (Q3) represents what percentile?
A. 25th percentile
B. 50th percentile
C. 75th percentile
D. 90th percentile
C. 75th percentile
The median of a dataset is also known as:
A. First quartile
B. Third quartile
C. 50th percentile
D. 90th percentile
C. 50th percentile
The first quartile (Q1) is closest to which percentile?
A. 20th percentile
B. 50th percentile
C. 75th percentile
D. 25th percentile
D. 25th percentile
If Q1 = 23 and Q3 = 51, what is the interquartile range (IQR)?
A. 74
B. 28
C. 29
D. 75
B. 28
If a student's score is in the 80th percentile, it means that the student scored:
A. Below 80% of the class
B. Above 80% of the class
C. Exactly at the middle
D. Higher than all students
B. Above 80% of the class
If the 40th percentile score in a test is 75, it means that:
A. 40% of the students scored 75
B. 40% of the students scored below 75
C. 60% of the students scored below 75
D. The top 40% of the students scored 75
B. 40% of the students scored below 75
If a student ranks at the 25th percentile, this means:
A. The student is below 25% of the class
B. The student is in the middle of the class
C. The student is higher than 25% of the class
D. The student is higher than 75% of the class
C. The student is higher than 25% of the class
What does it mean if a student has a percentile rank of 100?
A. The student is at the median
B. The student scored the highest in the class
C. The student is at the 50th percentile
D. The student scored lowest in the class
B. The student scored the highest in the class
If the 70th percentile score in a test is 75, it means that:
A. 70% of the students scored 75
B. 70% of the students scored below 75
C. 30% of the students scored below 75
D. 30% of the students scored 75
B. 70% of the students scored below 75
Jasper says that the entrance exam of CRMC is easy. There were 800 takers including him. His score is 56 out of 75. His score belongs to the 3rd quartile. Question: If the passing is 75%, about what percentage of the takers passed the exam?
25%
Jasper says that the entrance exam of CRMC is easy. There were 800 takers including him. His score is 56 out of 75. His score belongs to the 3rd quartile. Question: If the passing is 75%, about what percentage of the takers failed the exam?
75%
Mr. Right gave a test to his students. Japhet finished their test in 55 minutes. This time is in the 7th decile of the allotted time. What percentage of the students finished the test in less than 55 minutes?
70%
Mr. Right gave a test to his students. Japhet finished their test in 55 minutes. This time is in the 7th decile of the allotted time. What percentage of the students finished the test in more than 55 minutes?
30%
Jose is a President in one big company here in Medellin. His salary is 30,000 php and in the 9th decile. What percentage of the employees has a salary of less than his?
90%
Twenty - five scores in mathematics test were recorded and the 80 was the 70th percentile. Only one student got a score of 80. How many students scored higher than 80?
7