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What is the MAIN purpose of a pie chart?
To display trends over a period of time.
To compare the sizes of parts relative to a whole.
What MUST a pie chart have to be easily understood?
Different colors for each slice.
A legend explaining what each slice represents.
What happens to the SIZE of a slice if the percentage it represents increases?
It gets smaller.
It stays the same.
It depends on the size of the other slices.
It gets bigger.
Can a pie chart have MORE THAN ONE whole pie?
No, a pie chart always represents a single whole.
Yes, but only if the slices are very small.
Which of these is a DISADVANTAGE of using a pie chart?
They can be hard to interpret with many slices.
They can't display percentages.
What does EACH SLICE of a pie chart represent?
A category within the data
A specific data point
A period of time
If ALL the slices of a pie chart are the SAME SIZE, what does this tell us?
The data is incorrect
Pie charts can't have equal-sized slices
Each category represents an equal proportion of the whole
What is the TOTAL PERCENTAGE represented by ALL the slices in a pie chart?
It depends on the size of the pie chart.
100%
Is it BETTER to use MANY slices or FEWER slices in a pie chart?
It depends on the size of the pie chart
More slices are always better for showing detail
It depends on the amount of data being presented.
Fewer slices make the chart easier to understand
What can make a pie chart MISLEADING?
The proportions of the slices are not clear.
Using bright and contrasting colors
What type of data is BEST represented by a pie chart?
Data that compares parts of a whole
Data that shows the relationship between two variables
Can you create a pie chart with NEGATIVE values?
Yes, negative values can be shown as smaller slices
No, pie charts only represent positive values.
What is an "EXPLODED PIE CHART"?
A pie chart where one or more slices are separated from the
A pie chart with a 3D effect
Can you determine the EXACT VALUES of each category just by looking at a pie chart WITHOUT data labels?
No, you need data labels or a table to know the exact values
Yes, you can estimate the values based on the slice sizes
What is a good ALTERNATIVE to a pie chart for showing parts of a whole?
A map
A line graph
A bar chart
Which of the following is NOT a good title for a pie chart?
"Changes in Temperature Over a Year"
"Percentage of Budget Allocated to Each Department"
