Measures of Relative Standing

What is the median of the data?
2, 7, 11, 12, 12, 16, 19, 21

• 2
• 12
• 17.5
• 24

50% of the data has a value less than the

• Mean

• Median

• Q₃

• Lower Quartile

Q₃ is

• a measure used to describe the distribution of data.

• also called the upper quartile.

• also called the lower quartile.

• the sum of the numbers in a set of data divided by the number of pieces of data.

The Lower Quartile is

• also called the upper quartile.

• a value that is much higher or much lower than the other values in a set of data.

• is smaller than or equal to 75% of the data

• the value appearing at the center of a set of data that has been sorted in numerical order.

The median of the lower half of a data set; also called the lower quartile.

• second quartile

• upper quartile

• lower quartile

• interquartile range

If you score 76, 85, 97, and 83 on your math tests, what would your median score be? 

• 84
• 90
• 85
• 88

33, 25, 42, 25, 31, 37, 46, 29, 38

What is the Q₃ (UQ) of the data?

• 37

• 38

• 40

• 46

1-  The first quartile (Q 1) is the median of the lower half of the set.
2-  The second quartile (Q 2) is the median of the whole set .
3-  The third quartile (Q 3) is the median of the upper half of the set.

• All three statements are true.
• Only the 1st statement is true.
• Only the 2nd and the 3rd statements are true.
• Only the 3rd statement is true.

What is the Median?

34,98,12,45,61

• 98

• 12

• 34

• 45

find the lower quartile of the following set of scores 12, 9, 4, 6, 5, 8, 9, 4, 10, 2

• 10

• 4

• 9

• 6