Measures of Central Tendency Box and Whisker Plot

Find the Median of the data set

• 82
• 86
• 88
• 92

Which is NOT in the middle 50% of data values?

• 17
• 15
• 21
• 11

If 44 values were used for the data, about how many data values are greater than the 1st quartile?

• 11
• 22
• 33
• 128

About 50 % of the data values are greater than what value?

• 12
• 15
• 22
• 31

Which value is in the top 25% of the data?

• 16
• 22
• 29
• 36

True of false, 75% of the data values are greater than 18?

• True
• False, 75% of the values are greater than 16
• False, 50 % of the values are greater than 18
• False, 25% of the values are greater than 18

Find the median of plot B

• 30
• 14
• 28
• 16

What is the difference in the upper extremes of the two plots?

• 18
• 40
• 22
• 16

If I want to make sure I have data in the top 50% of plot A, I should make sure to pick a number greater than what amount?

• 14
• 30
• 18
• 22

If plot B has 60 numbers in it, about how many are in the box?

• 15
• 30
• 60
• 120