Practice 4th Qtr

The score-points that divide a distribution into 100 equal parts.

• percentiles

• deciles

• quartiles

• median

When a set of data is divided into 10 equal parts then it is called __________.

• percentiles

• deciles

• quartiles

• median

Gian’s score in a 75-item test was the median score. What is his percentile rank?

• 25th

• 35th

• 50th

• 75th

Which of the following is NOT equal to the median?

• P­₅₀

• Q₂

• D₅

• Q₃

In the set of scores: 8, 10, 12, 14, 17, 19, 19, 22 and 24, the median score is

• 17

• 16

• 15

• 14