Interquartile Range

What is a the meaning for "median"?

• fair share
• middle
• repeats the most
• variation

What is the mode in this set of numbers:
7, 14, 20, 3, 7, 14, 2, 14, 7

• 7
• 20
• 7 & 14
• none of the above

Find the mean.
90, 100, 95, 85, 60, 80

• 85
• 84
• 86
• 90

Tags

CCSS.7.NS.A.3

What is the range?

• average
• biggest-smallest
• the middle #
• # happening the most

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Calculate the interquartile range of the following data17, 18, 18, 19, 20, 21, 21, 23, 25

• 3
• 4
• 5
• 8

find the lower quartile of the following set of scores12, 9, 4, 6, 5, 8, 9, 4, 10, 2

• 10
• 4
• 9
• 6

Calculate the interquartile range of the following data:
17, 18, 18, 19, 20, 21, 21, 23, 25

• 3
• 4
• 5
• 8

If there is an even number of data in the data set how do you find the median?

• order the data and find the middle value
• order the data add the 2 middle values and divide by 2

Tags

CCSS.6.SP.B.5C

The median of the upper half of a data set. Also called the upper quartile.

• first quartile
• second quartile
• third quartile
• median

The difference between the third and first quartiles in a data set, representing the middle half of the data.

• range
• interquartile range
• standard deviation
• mean absolute deviation