Reasoning with Data Flashcards
(18 cards)
Mean definition
The value when the total data is shared equally between the number of pieces of data.
Median definition
Once ordered the middle value of a list of data.
Mode definition
The data value appearing at the highest frequency.
Range definition
The difference in value between the least and greatest data value. (Range is a spread not an average).
Pie chart definition
Data shown as a proportion of 360 degrees.
Pictogram definition
Data shown by an image which represents a quantity.
Grouped frequency table definition
A count of data within set ranges.
Frequency definition
The amount of times something occurs.
Proportion definition
Amount compared to the whole.
Angle definition
A measure of turn.
Statistics definition
The collection, organisation, representation and analysis of data.
Data definition
Information
Quantitative data definition
Data in the form of numbers.
Qualitative data definition
Data in the form of qualities.
Discrete data definition
Data that can be counted or has set options (e.g. shoe size).
Continuous data definition
Data that can be measured or has an infinite number of numerical values within a range (e.g. time taken to walk).
What must pictograms have?
A key
What type of data do pie charts represent?
Discrete data
