Measure of Position

The scores of ten students in their 20-item quiz are as follows:

10 12 15 16 17 18 18 19 20 20

Which of the following scores are less than or equal to 25% of the data?

i. 10 ii. 16 iii. 15 iv. 18

(using simple method)

• i and iii

• ii and iii

• i, ii, and iii

• i, ii, iii, and iv

The scores of ten students in their 20-item quiz are as follows:

10 12 15 16 17 18 18 19 20 20

Which is the second quartile in the data?

• 16

• 16.5

• 17

• 17.5

The scores of ten students in their 20-item quiz are as follows:

10 12 15 16 17 18 18 19 20 20

3. What is the 60th percentile?

(using interpolation)

• 15

• 16

• 17

• 18

Which of the following measures of position is same as to 50% of the cases?

I. Q₁ II. Q₂ III. Q₃ IV. D₅

• I and II

• I and III

• II and III

• II and IV

Some of the students in a class are comparing their grades on a recent test.

I. Jose says he scored at the 88th percentile.

II. Bill says he scored at the 95th percentile.

III. Lisa says she scored at the 84th percentile.

IV. Paul says he almost scored in the 70th percentile.

V. Mary says she almost scored in the 95th percentile.

What is the rank of the five students from highest to lowest in their grades?

• I,II,III,IV,V

• II,V,I,III,IV

• V,II,I,III,IV

• IV,III,I,II,V

To qualify as contestant for a 30- item Math Galing contest elimination round, you must obtain a passing score which is the 75^th percentile. This imply that you should answer_______

• at least 75% of the items correctly

• at most 75 % of the items correctly

• At least 25% of the items correctly

• At most 50 % of the items correctly

7. The lower quartile of the ages of persons that allowed to go outside of their homes during MGCQ in certain barangay is 18 years old. Which of the following statements is true?

• Most of them are 18 years old.

• 25 % of people who allowed to go outside of their homes are 18 years old.

• There are no age-based restrictions.

• 75% of people who allowed to go outside of their homes are 18 years old and above

Find the number of percentage of practitioners who earned more than Php 48,000.50.

• 40

• 30

• 28

• 12

How many practitioners earned more than Php 48,000.50?

• 40

• 30

• 28

• 12

Find the total number of practitioners whose income belongs to D₇?

• 40

• 30

• 28

• 12