Describing Distributions

What must you consider when comparing distributions?

• variability

• center

• shape

• outliers

• all of the above

Tags

CCSS.HSS.ID.A.3

How do you find center on a histogram?

• you find the median

• you find the mean

• it is the range of numbers in the middle of the graph

• find the mode

Tags

CCSS.6.SP.A.2

How do you find the center of a box plot?

• You find the mean

• You find the median

• You find the Q1

• You find the IQR

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

What formulas do you use to find the boundaries for outliers?

• Q1-1.5(IQR)

• Q1 + 1.5(IQR)

• Q3 + 1.5(IQR)

• Q3- 1.5(IQR)

Out of the following numbers are there any outliers?

8 5 9 5 2 3 5 8 6 15

• Yes; 2

• No

• Yes; 15

• Yes; 2 and 15

What is the Q1?

8 5 9 5 2 3 5 8 6 15

• 4

• 5

• 6

• 8

Tags

CCSS.6.SP.B.5C

What is the Q3?

8 5 9 5 2 3 5 8 6 15

• 4

• 5

• 6

• 8

Tags

CCSS.6.SP.B.5C

Shape?

• Skewed right
• Skewed left
• Symmetric
• Unimodal

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.B.4

CCSS.6.SP.B.5

What is the variability?

• 31.5

• 7

• 8

• 40

What is the center?

• 31.5

• 31

• 32

• 40

Tags

CCSS.6.SP.A.2