Bar Charts and Pie Charts (Leaving Cert Mathematics): Flashcards
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Practise the cards
15 cards from this deck
What is a bar chart?
What is a bar chart?
Chart using rectangular bars to represent data categories
Width of bars in bar chart
Width of bars in bar chart
All bars have identical width
What does bar height represent?
What does bar height represent?
Frequency of that category
Spacing between bars in bar chart
Spacing between bars in bar chart
Narrow, equal gaps to distinguish categories
What do the two axes in a bar chart show?
What do the two axes in a bar chart show?
Categories being measured and frequency scale
Bar chart orientation options
Bar chart orientation options
Vertical (bars up) or horizontal (bars across)
What is a pie chart?
What is a pie chart?
Circular chart showing how data is divided among categories
What type of data are pie charts best for?
What type of data are pie charts best for?
Categorical data
What are pie chart segments called?
What are pie chart segments called?
Sectors
What is a pie chart sector angle proportional to?
What is a pie chart sector angle proportional to?
Frequency of that category
Total angle of all sectors in pie chart
Total angle of all sectors in pie chart
Formula for pie chart sector angle
Formula for pie chart sector angle
Formula to find frequency from pie chart angle
Formula to find frequency from pie chart angle
What are bar charts best used for?
What are bar charts best used for?
Comparing quantities between categories
What are pie charts best used for?
What are pie charts best used for?
Showing parts of a whole