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1
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A small part of the population which is chosen to represent the whole population.
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4
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When every member of the population has an equal chance of being selected.
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9
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The name given to data that is numerical.
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10
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The kind of data which can only take certain values. e.g. number of cars.
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12
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The complete set of people or objects that information is collected about.
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13
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The kind of data which can have any number value in a certain range. e.g. length, weight.
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14
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The name given to data that does not use numbers.
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15
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In a bar chart, the length or height of the bar represents the _________.
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17
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A type of average which you get by adding all the data values and dividing by the number of data values you have.
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