Quiz Bee in Quartiles

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

2. 2. The median is also called ______.

3. 3. What is the other term for 𝑄₁?

4. 4. What is the other term for Q3?

5. 5. Given the scores of seven judges in a contest: 4, 6, 7, 9, 10, 11, 12. What is the lower quartile?

6. 6. Given the weights (kg) of seven students in a class: 66, 66, 69, 70, 75, 83, 88, interpret 𝑄₃.

• 25% of the weights of seven students in a class is ≤ 83𝑘𝑔.

• 50% of the weights of seven students in a class is ≤ 70𝑘𝑔.

• 75% of the weights of seven students in a class is ≤ 66𝑘𝑔.

• 75% of the weights of seven students in a class is ≤ 83𝑘𝑔.

7. 7. Given the service times in minutes: 20, 35, 55, 28, 46, 32, 25, 56, 55, 28, 37, find 𝑄₃.

8. 8. Given the scores of 11 students in the Math quiz, 3, 4, 9, 7, 14, 10, 17, 8, 15, 1, 2 what is lower quartile?

9. 9. Given the scores of 11 students in the Math quiz, 3, 4, 9, 7, 14, 10, 17, 8, 15, 1, 2 what is the upper quartile?

10. Given the scores of 11 students in the Math quiz, 3, 4, 9, 7, 14, 10, 17, 8, 15, 1, 2 interpret the lower quartile?

• 25% of the scores of 11 students in the Math quiz is ≤ 3.

• 25% of the scores of 11 students in the Math quiz is ≤ 4

• 25% of the scores of 11 students in the Math quiz is ≤ 7.

• 25% of the scores of 11 students in the Math quiz is ≤ 9.