Misleading Graphs

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Misleading Graphs

• REVIEW

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Reason 1 why a graph is misleadingTHE Y-AXIS
(vertical axis) doesnt start with 0!
Amount of Toys Collected for Christmas
60 50 40 30 20 10
Amount of Toys
Game Doll HulaHoop Legos
Types of Toys
3
Reason 2 why a graph is misleadingTHE Y-AXIS
(vertical axis) doesnt have a consistent
interval.
Amount of Toys Collected for Christmas
40 35 25 10 5 0
Amount of Toys
Game Doll HulaHoop Legos
Types of Toys
4
Reason 3 a graph is misleadingTHE X-AXIS is not
accurately labeled.
Amount of Toys Collected for Christmas
50 40 30 20 10 0
Amount of Toys
Toy 1 Toy 2 Toy 3 Toy 4
Types of Toys
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Other Reasons a Graph can be Misleading

1. There is no title.
2. The Axis is squished.
3. The Axis are not labeled.

Amount of Toys Collected for Christmas
70 65 60 55 50 0
Amount of Toys
NO!
Game Doll HulaHoop Legos
Types of Toys
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A Perfect Graph!

• Does is matter that the bars are not the same
  height?
• Does it matter that they are not in order from
  shortest to tallest?
• Does it matter that the bars arent the same
  color?
• NO, NO, and NO! ?

Amount of Toys Collected for Christmas
50 40 30 20 10 0
Amount of Toys
Game Doll HulaHoop Legos
Types of Toys
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Whats Wrong?
Find the 6 reasons this graph is
misleading. 1. 2. 3. 4. 5. 6.
60 57 40 35 20 2
Toy 1 Toys 2 Toy 3 Toy 4
Types of Toys
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What is Misleading about this Graph?
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Now Lets Compare Graphs!
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Whats Wrong?
Ice Cream Sold
P E RCENT of ICE CREAM
NUMBER of ICE CREAM
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Whats Wrong?
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Whats Wrong?
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Whats Wrong?
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Whats Wrong?
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Misleading Graphs