Measures of Position

Measures of _______.

• Position

• Frustration

• Connotation

• Central tendency

Points that divide a data into quarters or “four” equal parts.

• Quartile

• Decile

• Percentile

Are the nine score points that divide the data into ten equal parts. D1, D2, D3,…D9.

• Quartile

• Decile

• Percentile

Are score points that divides the data into 100 equal parts. P1, P2, P3, …P99.

• Quartile

• Decile

• Percentile

What is the formula for Interquartile Range?

• y=mx+b

• IQR = Q3 + Q1

• IQR = Q3 - Q1

What is the Q1 of the following data?

12, 12, 14, 15, 16, 18, 19, 21, 23, 24, 24

• 12

• 14

• 18

• 23

8, 8, 9, 10, 10, 12, 13, 15, 15, 15, 17, 18, 19, 20, 20

What is the Q3?

• 10

• 15

• 18

• 20

If the Q3 = 25 and Q1 = 10, what is the Interquartile Range?

• 15

• 25

• 10

• 35

A business man whose salary is in the 3rd Quartile, do you think his salary is higher than others?

• Yes

• No

• Maybe

• I don't know

The teacher asks your class to fall in line from smallest to tallest. You are in the Q1 mark. What does it imply?

• I'm in front of the line

• I'm at the middle of the line

• I'm at the back of the line