Percentile of Grouped Data-Quiz

The class interval containing the P₂₅ class is ____.

• 8 000 – 10 999

• 11 000 – 13 999

• 14 000 – 16 999

• 17 000 – 19 999

What is P₂₅?

• 13 499.5

• 14 499.5

• 15 499.5

• 16 499.5

Interpret the result obtained in the 25^th percentile.

• 25% of the employees got a salary of less than or equal to 13 499.5.

• 25% of the employees got a salary of less than or equal to 14 499.5.

• 25% of the employees got a salary of less than or equal to 15 499.5.

• 25% of the employees got a salary of less than or equal to 16 499.5.

In a 80-item test, Melody got a score of 60 which is the 75^th Percentile. This means that:

• She got the highest score.

• She surpassed 75% of her classmates.

• Her score is higher than 25% of her classmates.

• Seventy-five percent of the class did not pass the test.

In a set of scores, the 20^th percentile or P₂₀ = 63. What does it mean?

• It means that in the set of scores given, 20% of the scores is greater than or equal to the score of 63.

• It means that in the set of scores given, 20% of the scores is less than or equal to the score of 63.

• It means that 80% of the scores is less than the score of 63.

• It means that 80% of the scores is equal to 63.