Practical Flashcards
(10 cards)
1
Q
Random errors affect + examples
A
Affect precision
Eg noise
Random process
2
Q
Systematic errors are caused by
A
Faults in the apparatus
E.g balance not correctly set to zero
3
Q
Discrete data
A
Data you get by counting. Set values
4
Q
Continuous data
A
Can have any value on a scale
5
Q
Categoric data
A
Sorted into categories
6
Q
Ordered data
A
Categoric data that can be order e.g high , middle , low
7
Q
Repeatable
A
YOU can repeat an experiment and get the same result
8
Q
Reproducible
A
Someone else does the experiment with a different method or equipment and gets the same result
9
Q
Valid
A
The original question is answered using precise data ( you’ve only altered the variable you’re investigating)
10
Q
Accurate
A
Results are very close to the true value
