Calculations Flashcards
How do you work out percentage
Calculation divided by total/score and multiplied by 100
What is a decimal
Percentage sign removed and dived by 100
What is a fraction
Never asked
Put in it’s simplistic form
Over demoninator
What is a ratio
They are expressed related to each other
1:3
What is an estimate
Where a judgement is made
Not actual answer
What is probability
Acceptance level of probability in psychology is 5%
Possibility it will occur
Positive correlation
Both variable increase
Negative correlation is when one decrease the other increases
Zero correlation
No correlation
Neither variables increase or decrease with the other
What does a correlation measure
Relationship between two variables and strength of correlation
However correlation does not cause causation
What is the correlation coefficient
The strength of the correlation
What does 0 mean in terms of correlation
That there is no correlation
What does -1 mean in terms of correlation
Negative correlation
What does +1 mean in terms of correlation
Positive correlation
What does closer to 1 mean in terms of correlation
The stronger the correlation is
