Quiz on Decile and Percentile

What measures of position divides the distribution into 10 equal parts?

• Percentile

• Decile

• Quartile

• None of these

How many percent corresponds to D6 if you will interpret it?

• 20%

• 40%

• 60%

• 80%

What is the median of the data 5, 3,1 5, 2?

• 1

• 2

• 3

• 5

A technique that divide a set of data into one hundred equal parts.

• Decile

• Percentile

• Quartile

• Range

Q1 always equal to P3

​

• True

• False

Second quartile, fifth decile and fiftieth percentile have the same value

• True

• False

Jenny scored at the 99th percentile on a test. How should we interpret this information?

• Jenny scored better than 99% of people who took this test

• Jenny scored worse than 99% of people who took this test

• Jenny got 99% of the questions on the test right

• Jenny got 99% of questions on the test wrong

How many percent corresponds to P25 if you will interpret it?

• 10%

• 25%

• 50%

• 60%

Angie ranks 10th in a class of 40. Her percentile is

• 75

• 90

• 10

• 25

In a 100 item test, the passing mark is the 3rd quartile. What does it imply?

• The students should answer at least 75 items correctly to pass the test.

• The students should answer at least 50 items correctly to pass the test.

• The students should answer at most 75 items correctly to pass the test.

• The students should answer at most 50 items correctly to pass the test.