Boxplots, Misleading/Bias Graphs

The graph represents the scores of four students in an examination. Tell whether the graph is misleading or not and why.

• No, it represents the data clearly

• Yes, because the vertical (y-axis) increases by 5% instead of by 1%

• Yes, because the vertical (y-axis) does not start at 0

Do the two graphs plot the same data?

• Yes

• No

The graph shows the rainfall in October and November at some location. Is the graph misleading?

• Yes, because the vertical (y-axis) doesn't start at 0

• Yes, because it makes it look like November's rainfall is twice as much as October, but it isn't

• Yes, because none of the other months are shown

• No, it's not misleading since the vertical (y-axis) zero-break

Compare these two graphs. Why is the graph on the blue side misleading?

• The baseline is not starting at 0

• The scales on the y-axis are not consistent

• The intervals on the y-axis scale are too large.

• Using the wrong graph

Tags

CCSS.6.SP.B.4

Why would this data misleading?

• The scale on the x-axis is not consistent

• The scales on the y-axis are not consistent

• Using the wrong graph

Tags

CCSS.6.SP.B.4

CCSS.6.SP.B.5

Explain why this graph may be misleading?

• the x-axis does not have equal intervals
• San Fransisco is not a real city
• you cannot have percents in a line graph
• the y-axis does not have equal intervals

Tags

CCSS.6.SP.B.4

This graph represents the number of different types of bird species in a zoo. Why is it misleading?

• broken scale

• values on the y axis scale are not uniform (the same)

• uneven spacing of values on the y axis

• none of the above

Tags

CCSS.6.SP.B.4

CCSS.6.SP.A.2

CCSS.6.SP.A.1

Sort the following to the correct category ( misleading or not misleading graphs)

Groups:

(a) Misleading

,

(b) Not misleading

• 
• 
• 
• 
• 

Sort the graphs below as Misleading and Not Misleading

Groups:

(a) Misleading

,

(b) Not Misleading

• 
• 
• 
• 

What is wrong with this graph?

• Not enough information.

• The basketball ticket prices in 2001 were approximately 2 times as much as 1991, yet the size of the basketballs are about 4 times as big.

• y axis scale is not uniform

Tags

CCSS.6.SP.B.4

CCSS.6.SP.B.5