Averages and frequency polygon

Which shoe size is the mode?

• 6

• 9

• 17

• 25

How many people have a shoe size of 6?

• 17

• 18

• 19

• 15.4

Tags

CCSS.2.MD.D.9

What is the most popular number of times that people visited the cinema?

• 5

• 1

• 35

• 2

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

The horizontal axis of a frequency polgyon comes from this column:

• Class

• Frequency

• Midpoint

• Cumulative Frequency

• Class Endpoints

What is wrong with this histogram? Check all that apply.

• The bars aren't touching

• The bars are not arranged in descending order

• There is no broken-axis symbol

• It is from a sample

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

What is wrong with this frequency polygon? Check all that apply.

• The anchors are missing

• The area below the line isn't shaded

• The x-axis isn't hashed consistently

• The title is missing

How many classes are there in this table?

• 51

• 4

• 10

• 2

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Which is the modal class?

• 140 ≤ h < 150

• 150 ≤ h < 160

• 160 ≤ h < 170

• 170 ≤ h < 180

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

To estimate the mean, we should use

• each class' lower bound

• each class' upper bound

• each class

• each class' middle value

Tags

CCSS.6.SP.B.5C

For this data, the total frequency is:

• 6

• 7

• 10

• 20

Tags

CCSS.6.SP.B.5A