Stem & Leaf Plots (Junior Cert Mathematics): Flashcards
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Practise the cards
12 cards from this deck
What is a stem and leaf plot?
What is a stem and leaf plot?
A way to organise and display numerical data showing its distribution
What is the 'stem' in a stem-leaf plot?
What is the 'stem' in a stem-leaf plot?
The leading digit(s) of each number
What is the 'leaf' in a stem-leaf plot?
What is the 'leaf' in a stem-leaf plot?
The last digit of each number
Advantage of stem-leaf plots: data retention
Advantage of stem-leaf plots: data retention
Shows all data points without losing information
Advantage of stem-leaf plots: patterns
Advantage of stem-leaf plots: patterns
Helps spot trends and clusters in data
Where are stems listed in a stem-leaf plot?
Where are stems listed in a stem-leaf plot?
On the left side in a vertical column
Where are leaves placed in a stem-leaf plot?
Where are leaves placed in a stem-leaf plot?
To the right of their corresponding stem
Back-to-back stem-leaf plot purpose
Back-to-back stem-leaf plot purpose
Compares two sets of data side by side
Where are stems in a back-to-back plot?
Where are stems in a back-to-back plot?
In the middle, shared by both data sets
First step to find median in stem-leaf plot
First step to find median in stem-leaf plot
Ensure data is in numerical order
How to calculate range from stem-leaf plot?
How to calculate range from stem-leaf plot?
Subtract lowest value from highest value
What is the 'key' in a stem-leaf plot?
What is the 'key' in a stem-leaf plot?
Explains how to read the plot (e.g., )