Boxplots, Scattergrams, Probability

Which best represents the Interquartile Range

• 15
• 93
• 85
• 78

Find the Maximum

• 68
• 98
• 85
• 93

Find the Minimum

• 98
• 85
• 68
• 93

Find the Median

• 98
• 93
• 78
• 85

What is the approximate spread of the data?

• 30
• 50
• 85
• 78

Which is NOT ture?

• The spreads of the low temperatures for Reybold and Picktown are not the same
• Neither box plot is symmetrical
• The median low temeratures for Reybold and Picktown are different
• The lower extreme for Picktown is approximately 5 degrees lower than the lower extreme for Reybold

Find the Interquartile Range for Anders' data

• 4.5
• 3
• 2.5
• 5

Find the Interquartile Range for Marcus's data

• 4.5
• 2
• 2.5
• 6

Which inference about the two populations is true

• Both sets of data have the same interquartile range
• Both sets of data have the same median
• Ander's data centers areound 6 and Marcus's data centers around 7
• The interquartile range for Ander's data is .5 greater than the interquartile range for Marcus's data

Which has a larger IQR?

• Zach
• Steven
• They have the same IQR