MEASURES OF POSITION (QUARTILES)

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

• QUARTILE

• DECILE

• PERCENTILE

• STANINE

If Q₁ = 15 and Q₃ = 23, then the interquartile range is ___,

• 7

• 8

• 19

• 38

Which of the following is the other name of the second quartile?

• MEAN

• LOWER QUARTILE

• CENTER QUARTILE

• MEDIAN

How many percent corresponds to Q₃ if you will interpret it?

• 25%

• 50%

• 75%

• 100%

What do you call the statistical measure that divides the data into ten equal parts?

• DECILE

• INTERQUARTILE

• PERCENTILE

• QUARTILE

 What is the Q₂ in the set

21, 27, 38, 40, 44, 57, 59, 64, 69, 74, 81 

 What is the Q₁ in the set

21, 27, 38, 40, 44, 57, 59, 64, 69, 74, 81 

What is the Q₃ in the set

21, 27, 38, 40, 44, 57, 59, 64, 69, 74, 81

What is the IQR in the set

21, 27, 38, 40, 44, 57, 59, 64, 69, 74, 81

The front row in a movie theatre has 17 seats. You were asked to occupy the median position, in which seat would you have to sit?