Measures of Position - Quartiles

It's a measure of position that divides the distribution into 4 equal parts.

• median

• quartile

• decile

• percentile

The 2nd Quartile of the data set is equal to the _______.

• Mean

• Mode

• Median

• Decile

Using Tukey's Method, what is the first quartile of the following set of values: 12, 15, 22, 23, 34, 8, 19, 17, 18

• 12

• 12.5

• 13.5

• 15

Using Tukey's Method, what is the third quartile of the following set of values: 12, 15, 22, 23, 34, 8, 19, 17, 18

• 21

• 21.5

• 22

• 22.5

Using Tukey's method, what is the second quartile of the following set of values: 12, 15, 22, 23, 34, 8, 19, 17, 18

• 15

• 17

• 18

• 19

What is the median of the scores 6, 8, 11, 25, 15, 10, 2, 8, 16, 3?

• 9

• 10

• 11

• 12

It is a measure by which the position of a data is determined through its value.

• central tendency

• measures of position

• median

• mode

It is the median of the lower half of the data set or it's the 25% of the numbers in the data set.

• mean

• Q1

• Q2

• Q3

It is the median of the upper half of the data set or it's the 75% of the numbers in the data set.

• mean

• Q1

• Q2

• Q3

From the given set: 9, 11, 8, 9, 9, 14, 6, 5, 3, 16 using Mendenhall and Sincich method, what is the first quartile?

• 5

• 5.5

• 6

• 6.5