Term

Definition
Measurement close to true value 


Term

Definition
A collection of measurements 


Term

Definition
Type of error that can be compensated for by taking lots of measurements and working out a mean 


Term

Definition
Type of error where all readings are shifted away from true value. Often due to a wrongly calibrated instrument. 


Term

Definition
An error caused by the measuring apparatus not starting at zero every time. 


Term

Definition
Data that has been validated 


Term

Definition
A test in which all the variables are controlled and only the independent variable allowed to influence the dependent variable. 


Term

Definition
A set of data that are have little spread about the mean and have been made with an instrument with small scale divisions. 


Term

Definition
An investigation that can be repeated to give similar results. It can be improved by repeating results and calculating a mean. 


Term

Definition
The value that would be found if the quantity could be measured without any errors. 


Term

Definition
Data that have been obtained in a test where only the independent variable has been changed. 


Term

Definition
A variable which can be described by a label e.g. male or female. 


Term

Definition
Type of graph to plot when using categoric variables 


Term

Definition
A variable which can have any numerical value. 


Term

Definition
Type of graph needed when using continuous variables 


Term

Definition
A variable which must be kept the same in a fair test so it does not effect the outcome. 


Term

Definition
The variable which you measure for each change in the independent variable 


Term

Definition
A variable which you deliberately change to see its effect on the dependent variable. 


Term

Definition
A type of variable restricted to whole numbers. 


Term

Definition
A type of categoric variable that can be ranked e.g. first, second,third. 

