Question 1

The 25^thpercentile is equal to _______

Accepted Answer

2nd quartile

Answer

1st quartile

Answer

3rd quartile

Answer

5th decile

Question 2

What percent corresponds to D₅?

Accepted Answer

50%

Answer

25%

Answer

75%

Answer

100%

Question 3

The 3rd quartile value is the same with _________

Accepted Answer

P75

Answer

D7

Answer

D5

Answer

P30

Question 4

In the set scores, 13,8,10,5,20,7, and 15, what is the median score?

Accepted Answer

10

Answer

13

Answer

8

Answer

7

Question 5

In the set scores, 13,8,10,5,20,7, and 15, what is the 1st quartile?

Accepted Answer

7

Answer

8

Answer

13

Answer

10

Question 6

What measures of position divide the distribution into 10 equal parts?

Accepted Answer

Decile

Answer

Percentile

Answer

Quartile

Answer

Median

Question 7

What measures of position divide the distribution into 100 equal parts?

Accepted Answer

percentile

Answer

decile

Answer

quartile

Answer

median

Question 8

Which of the formula should be used to find the kth class for quartile?

Accepted Answer

$\frac{kN}{4}$

Answer

$\frac{kN}{4}$

Answer

$\frac{kN}{4}$

Answer

$\frac{kN}{4}$

Question 9

Find the Q₂of the total passers.

Accepted Answer

3,389

Answer

3,616

Answer

2,967

Answer

2,843

Question 10

What is the 7th decile of the days before the results are released?

Accepted Answer

5

Answer

10

Answer

8

Answer

4

Question 11

Find the 30th percentile of the total examinees.

Accepted Answer

9,645

Answer

9,830

Answer

10,319

Answer

11,137

Question 12

Find the P₈₀of the days before the results are released.

Accepted Answer

6

Answer

5

Answer

8

Answer

4

Question 13

What is the 3rd quartile of the total passers?

Accepted Answer

4,511

Answer

5,249

Answer

5,468

Answer

4,123

Question 14

If the median grade of 15 students is 80, what interpretation can you make?

Accepted Answer

Seven students got grades lower than 80 and seven got grades higher than 80

Answer

Seven students got higher than 80

Answer

Seven students got lower than 80

Answer

The grade of fourteen students are lower than 80

Question 15

In certain score data, if Q₃=26.5, this means ___________________

Accepted Answer

75% of the students scored lower than or equal to 26.5

Answer

25% of the students got the highest score

Answer

75% of the class failed the test

Answer

25% of the students scored higher than 26.5

Question 16

What is the k^thclass of D₈?

Accepted Answer

40

Answer

39

Answer

38

Answer

37

Question 17

Find the class interval for P₆₅.

Accepted Answer

36-40

Answer

26-30

Answer

31-35

Answer

41-45

Question 18

How many students belong to the upper quartile?

Accepted Answer

at most 13

Answer

at most 10

Answer

at most 12

Answer

at most 11

Question 19

What is the value of P₇₀?

Accepted Answer

39.79

Answer

35.79

Answer

38.79

Answer

36.79

Question 20

Find the percentile rank of 36.

Accepted Answer

49%

Answer

46%

Answer

51%

Answer

54%

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