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10 Cards in this Set
- Front
- Back
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What is categorical data?
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Data that can be sorted into groups or categories. For example, eye colours or favourite fruits.
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What is discrete data?
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Data that is counted. For example, number of runs scored by a cricketer over seasons or number of emails you receive each day.
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What is continuous data?
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Data that is measured in continuous decimal scale. For example the weights of newborn babies at a hospital or volume of water in a dam each day or temperatures.
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What is quantitative data?
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Information that can be measured/counted and written down in numbers. For example, Shoe size, tries scored.
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What is qualitative data?
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Deals with descriptions. Data that can be observed, but not measured. Eg. eye colour, favourite food
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What is a Frequency Table?
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Any data that can be collected can be recorded in a frequency table.
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What is Mean?
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The sum of all the values in a data set divided by the number of values. 8; 6; 8; 8; 4; 6; 5; 10; 3; 9, 8, 5 |
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What is Median?
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Median is the middle value of a set ordered in ascending order (going up).
For example on their spelling test out of 10, twelve students in 7Y got the following: 8; 6; 8; 8; 4; 6; 5; 10; 3; 9, 8, 5 3; 4; 5; 5; 6; 6; 8; 8; 8; 8; 9; 10 For even number of values (like above), add the middle two and divide by 2. (6 + 8 = 14/2 = 7) |
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What is Mode?
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Mode is the value that occurs the most.
For example on their spelling test out of 10, 12 students in 7Y got the following: 8; 6; 8; 8; 4; 6; 5; 10; 3; 9, 8, 5 |
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What is the range?
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The difference between the lowest and highest values in a set of data.
For example on their spelling test out of 10, 12 students in 7Y got the following: 8; 6; 8; 8; 4; 6; 5; 10; 3; 9, 8, 5 |
