Frequency Distribution and Their Graphs (2.1)

Front

What is the formula to find class width?

Back

(max-min)/(# of classes), round up to the next integer.

Front

Define class boundaries.

Back

Class boundaries are the values that separate classes in a frequency distribution.

Tags

CCSS.HSS.ID.A.1

CCSS.6.SP.B.4

Front

What is another name for the ogive?

Back

Cumulative frequency graph.

Front

Why might a frequency distribution be incorrect?

Back

If the class widths are not consistent, such as one class width being different from the others.

Tags

CCSS.HSS.ID.A.1

CCSS.6.SP.B.4

Front

Find the class boundaries for the following classes: 20-30, 30-40, 40-50, 50-60, 60-70.

Back

20.5, 30.5, 40.5, 50.5, 60.5.

Tags

CCSS.HSS.ID.A.1

CCSS.6.SP.B.4

Front

What is a frequency distribution?

Back

A frequency distribution is a summary of how often different values occur in a dataset.

Tags

CCSS.6.SP.B.5A

Front

What is the purpose of a histogram?

Back

A histogram visually represents the frequency distribution of numerical data.

Tags

CCSS.HSS.ID.A.1

CCSS.6.SP.B.4

Front

What are lower class limits?

Back

Lower class limits are the smallest values that can belong to each class in a frequency distribution.

Tags

CCSS.HSS.ID.A.1

CCSS.6.SP.B.4

Front

What are upper class limits?

Back

Upper class limits are the largest values that can belong to each class in a frequency distribution.

Tags

CCSS.HSS.ID.A.1

CCSS.6.SP.B.4

Front

What is a frequency polygon?

Back

A frequency polygon is a graph that uses line segments to connect points representing the frequencies of each class.