Algebra Keystone Practice Data Analysis and Probability

50% of households in Allentown use between 600 and 800 kilowatt-hours per month of electricity.

• True

• False

Which two are the modes?

• 22 and 27

• 39 and 49

• 27 and 39

• 22 and 49

What is the median amount of time Matt spent on homework?

• 20

• 25

• 30

• 35

How many students lifted less than 70 pounds?

• 14

• 16

• 18

• 20

• 6/6=1
• 4/6=2/3
• 5/6
• 1/6

Hint: Multiply your probabilities because it's an "and" problem

• A

• B

• C

• D

What is the median of the data?

• 10

• 12

• 13

• 14

• 18

Which answer best fits the shape of the histogram?

• Symmetric

• Skewed Left

• Skewed Right

• Uniform

Describe the shape of the graph.

• Symmetrical

• Skewed

• Uniform

What is the shape of the distribution?

• Skewed Left

• Skewed Right

• Symmetric

• Uniform