Histogram, Frequency Polygon, Cumulative Frequency Curves

How many people watched less than 11 hours of TV last week?

• 48

• 20

• 90

• 65

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Which of the following is represented by the histogram?

• Of the 20 riders represented in the graph, over 50% are 30 years of age or older.

• One fourth of the riders represented in the graph are younger than 40 years old

• Half the riders represented in the graph are between the ages 10-29.

• Six percent of the riders represented in the graph are between the ages 10 and 19.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Which of these is used for the horizontal axis of a frequency polygon?

• Class Width

• Frequency

• Midpoint

• Upper Boundary

Which of the following is the correct frequency polygon for the data given?

• 
• 
• 
• 

State the upper limit of the second class interval.

• 5.5

• 6

• 10

• 10.5

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Find the midpoint of the third class interval.

• 14.5

• 17

• 19.5

• 22

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Find the lower boundary of the last class interval.

• 20.5

• 24.5

• 25.5

• 29.5

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Find the width of the class intervals.

• 3

• 5

• 7

• 9

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Given a class interval of 10 and a lower class limit of 20, what is the upper class limit?

• 29

• 30

• 35

• 40

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Find the cumulative frequencies.

• 28, 56, 84, 100

• 28, 58, 70, 72, 74, 76

• 33%, 37%, 20%, 7%, 7%, 7%

• 28, 30, 12, 2, 2, 2

Tags

CCSS.8.SP.A.4