Data & Statistics (Algebra 1)

33, 25, 42, 25, 31, 37, 46, 29, 38
What is the interquartile range of the data?

• 8
• 9
• 13
• 21

What value is the lower quartile?

• 66
• 58
• 60
• 64

What percentage of the data is between 90 and 140?

• 25 %
• 50%
• 75%
• 100%

Describe the shape of the graph.

• Skewed right
• Skewed left
• Uniform
• Symmetrical

Describe the histogram:

• Left Skewed
• Normal/Symmetrical
• Right Skewed
• Uniform/Flat

What type of association does this graph have?

• positive 
• negative
• none
• all of the above

What is the correlation?

• Negative correlation
• No correlation
• Positive correlation
• All of the above

As the age of the car increases, its value decreases. Which scatterplot represents this relationship?

• A
• B
• C
• D

Hector surveyed 500 people and asked them how far they drive to work and what the last digit of their phone number is. He used the results to make a scatter plot.

What type of association should he expect to see in the scatter plot?

• Positive Association

• Negative Association

• No Association

Which best describes the association shown in the scatter plot?

• Negative and linear

• Negative and nonlinear

• Positive and linear

• Positive and nonlinear