Measure of Data

The median score is also the

• 75th percentile

• 5th decile

• 3rd decile

• 1st quartile

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

• 17

• 15

• 16

• 13

In a 70 item test, Melody got a score of 50 which is the third quartile. This means that

• she got a highest score

• her score is higher than 25% of her classmates

• twenty-five percent of the students are 16 years old

• seventy-five percent of the class did not pass the test

Identify the median for the given data?

23, 34, 27, 7, 30, 26, 28, 31, 34

• 23

• 28

• 31

• 34

Identify the upper quartile for the given data?

23, 34, 27, 7, 30, 26, 28, 31, 34

• 30.5

• 31.5

• 32.5

• 33.5

What is the Q1 of this data set?

6, 7, 2, 1, 5, 2, 1, 6

• 1

• 1.5

• 2

• 2.5

Find the first quartile for the following data set: 7, 9, 13, 4, 18, 3, 9, 10, 15, 8, 2, 6, 9

• 4

• 5

• 6

• 9

Find the 5th decile for the following data set: 7, 9, 13, 4, 18, 3, 9, 10, 15, 8, 2, 6, 9

• 4

• 5

• 6

• 9

Given the following data set: 20, 22, 23, 26, 29, 30, 30, 35, 33, 40. What is the second quartile, or the median.

• 29

• 29.5

• 30

• 30.5

When a distribution is divided into hundred equal parts, each score point describes the distribution as

• percentile

• median

• quartile

• decile