Unit 1 Review

Identify the type of variable: Number of cars in the student parking lot

• Quantitative, discrete

• Quantitative, continuous

• Categorical

• Ordinal

Identify the type of variable: Brand of cars in the teacher parking lot

• Quantitative, discrete

• Quantitative, continuous

• Categorical

• Ordinal

Identify the type of variable: Wingspan of Florida moths

• Quantitative, discrete

• Quantitative, continuous

• Categorical

• Ordinal

Which of the following would NOT be an appropriate way to display the height of all EHS staff?

• A dot plot

• A histogram

• A bar graph

• A stem plot

What makes the graph deceptive?

• The y-axis does not begin at zero.

• The graph is deceptive due to the exaggerated sizes of the cars.
• The graph omits important data points.
• The graph is not appropriate for the type of data.

Describe the shape of the distribution.

• Left-skewed distribution
• Uniform distribution
• Normal distribution
• Right-skewed distribution

Describe the shape of the distribution.

• Left-Skewed

• Right-Skewed

• Symmetric

• Bottom-Skewed

The histogram displays the ages of the first 45 US Presidents when they took office. What percentage of presidents took office before the age of 60? (round to the nearest tenth)

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Which is the most appropriate measure of the center of the data?

• Mean

• Standard Deviation

• Median

• Range

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

What will happen to the standard deviation when a value of 30 is added to the following data?

20, 25, 35, 40

• The standard deviation will remain the same.
• The standard deviation will increase significantly.
• The standard deviation will decrease.
• The standard deviation will become zero.