A tally chart which records data in groups rather than distinct values. May be used when individual values would have no or little data recorded.
Another way of saying group.
How a set of data may be linked together.
A table used to record frequencies. Uses tally marks to show frequency. Data is grouped into bundles of 5.
A diagram that uses lines to represent frequencies. The longer/taller the line the higher the frequency. Only used for discrete data, so equal gaps must be between the lines.
A diagram that uses bars to represent frequencies. The longer/taller the bar the higher the frequency. Only used for discrete data, so equal gaps must be between the bars.
An important part of any diagram that uses symbols or unusual ways of representing data. Allows the reader to interpret what they are seeing.
A diagram which represents data using symbols.
How much something is worth.
An algebraic statement with a letter equal to an expression. Used to work out a missing variable by substituting in all other known variables. Plural is formulae.