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Definition
| Measurement close to true value |
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Definition
| A collection of measurements |
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Definition
| Type of error that can be compensated for by taking lots of measurements and working out a mean |
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Definition
| Type of error where all readings are shifted away from true value. Often due to a wrongly calibrated instrument. |
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Definition
| An error caused by the measuring apparatus not starting at zero every time. |
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Definition
| Data that has been validated |
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Definition
| A test in which all the variables are controlled and only the independent variable allowed to influence the dependent variable. |
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Term
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Definition
| A set of data that are have little spread about the mean and have been made with an instrument with small scale divisions. |
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Definition
| An investigation that can be repeated to give similar results. It can be improved by repeating results and calculating a mean. |
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Term
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Definition
| The value that would be found if the quantity could be measured without any errors. |
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Term
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Definition
| Data that have been obtained in a test where only the independent variable has been changed. |
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Term
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Definition
| A variable which can be described by a label e.g. male or female. |
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Term
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Definition
| Type of graph to plot when using categoric variables |
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Term
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Definition
| A variable which can have any numerical value. |
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Term
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Definition
| Type of graph needed when using continuous variables |
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Term
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Definition
| A variable which must be kept the same in a fair test so it does not effect the outcome. |
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Term
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Definition
| The variable which you measure for each change in the independent variable |
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Term
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Definition
| A variable which you deliberately change to see its effect on the dependent variable. |
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Term
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Definition
| A type of variable restricted to whole numbers. |
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Term
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Definition
| A type of categoric variable that can be ranked e.g. first, second,third. |
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