Central Tendency Box and Whisker

What is the Range of this data set?

• 13

• 37

• 72

Interquartile Range is

• the difference between the third quartile and the first quartile

• the difference between the greatest and least data values.

What percentage of the data is between 90 and 140?

• 25 %

• 50%

• 75%

• 100%

What do you do if there are two numbers in "the middle" when you are finding the median?

• Pick your favorite number

• Add the two numbers in the middle & then divide by two.

• They are both the median

• None of the above

Q2 or Quartile 2, can be also known as the what? 

• Range

• Mean

• Mode

• Median 

What is the maximum for this set of data?

• 8

• 9

• 7

• I cannot tell

What percentage of the data falls between Q1 and Q3?

• 75%

• 25%

• 100%

• 50%

On a box and whisker plot, how do you find the 3rd Quartile (Q3)?

• Find the median

• Find the median of the LOWER HALF

• Find the median of the UPPER HALF

• Add all numbers and divide by 3

The list below shows the most recent test scores for students in Mr. Garcia’s study group.

78, 90, 94, 72, 80, 68, 72, 88, 94, 98, 86, 96

Which box-and-whisker plot correctly represents the data in the list?

• 
• 
• 
• 

The box-and-whisker plot below shows the number of points each member of the middle

school basketball team made during the game on Saturday.

What was the greatest number of points scored by a basketball player during the game on

Saturday?

• 4

• 6

• 7

• 8