Stem and leaf diagrams (OCR GCSE Maths): Flashcards
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15 cards from this deck
Stem and leaf diagram purpose
Stem and leaf diagram purpose
Presents data by breaking numbers into stem and leaf parts
Stem in stem and leaf diagram
Stem in stem and leaf diagram
Leading digit(s) of the number
Leaf in stem and leaf diagram
Leaf in stem and leaf diagram
Final digit of the number
Stem typically represents which digit
Stem typically represents which digit
Tens digit
Leaves typically represent which digit
Leaves typically represent which digit
Ones digits
Purpose of key in stem and leaf diagram
Purpose of key in stem and leaf diagram
Explains how to read the diagram
How leaves should be arranged
How leaves should be arranged
In increasing order
Definition of median
Definition of median
Middle number in an ordered list of data
Median with even number of data points
Median with even number of data points
Average of the two middle numbers
What does measure
What does measure
Spread of the middle 50% of the data
Formula for
Formula for
(lower quartile) definition
(lower quartile) definition
Median of the lower half of the data
(upper quartile) definition
(upper quartile) definition
Median of the upper half of the data
Key advantage of stem and leaf diagrams
Key advantage of stem and leaf diagrams
Keeps original data, no data is lost
Disadvantage with large data sets
Disadvantage with large data sets
Time-consuming and impractical