quartiles

The lower quartile is equal to __________.

• median

• Q₁

• Q₂

• Q₃

The median score is also the _________

• 3rd quartile

• 2nd quartile

• 1st quartile

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

Find the Quartile 1 of the following data set:

2, 3, 4, 5, 5, 5, 7 .

Find the Quartile 3 of these numbers:

2, 3, 4, 5, 5, 5, 7.

The 1st quartile of the ages of 250 Grade 10 students is 16 years old. Which of the following statements is true?

• Twenty-five percent of the students are 16 years old.

• Most of the students are below 16 years old.

• Seventy-five percent of the students are 16 years old and above.

• One hundred fifty students are younger than 16 years.