Misleading Graphs

Misleading Graphs

How are the misleading

•  Misleading graphs are sometimes deliberately misleading and sometimes it's just a case of people not understanding the data behind the graph they create.

• The “classic” types of misleading graphs include cases where: The Vertical scale is too big or too small, or skips numbers, or doesn't start at zero.

Can you guess who made which graph?

If you said Terri made the first one, you are correct.

The scores are not that different. Look at the scale and where it starts on both graphs.

What makes this graph misleading?

Multiple Choice

What made the graph misleading?

• bars are all the same color

• scale is not at 0

• title is incorrect

What would make this graph misleading?

Multiple Choice

Why is this graph misleading?

• Scale doesn't start at 0

• bars are different colors

• labels are wrong

• there is no scale

Did you notice there is no scale?

There are some kinds of graphs which must be avoided. Those are – Pie charts, 3D and different tricks, radar graphs, donuts and surface graphs.

•  The worthy data for the Pie charts is not easily available.

• The 3 D graphs are little bit confusing

  
  

What cupcakes do you think they want to really sale?

Multiple Choice

Which cupcakes did they want you to think sold the best?

• Vanilla

• Chocolate

• Red Velvet

• Banan

Why is this circle graph misleading?

Look how the pie pieces are distorted. Boys (RED) is bigger almost 50%

This is a pictograph. Why is it misleading?

Multiple Choice

Which animal is distorted to mislead you?

• cat

• horse

• dog

• other

Hopefully you notice the horse is HUGE and the same number as other.

What would mislead you about this graph?

Multiple Choice

Which sport equipment is distorted to mislead?

• Baseball

• Basketball

What is the best way to protect yourself against misleading graphs?

Read the labels, the scale, the numbers and the context-and ask what story the picture is trying to tell you

Now watch the Ted Talk on you Google Classroom.