Quantative Method Correlation

Question 1

Correlation definition

Answer 1

Correlation looks at the strength of a relationship between two variables

Question 2

Independent variable

Answer 2

The factor that causes the dependant variable to change

Question 3

Dependant variable

Answer 3

The variable that is influenced by the independent variable

Question 4

How is correlation measured

Answer 4

Usually measured by using a scatter diagram on which data points are plotted

Question 5

Line of best fit (the regression line)

Answer 5

Attempts to plot the mathematical relationship between the variables based on the data points

Question 6

Positive correlation

Answer 6

A positive relationship exists where the independent variable increases so does the dependant variable

Question 7

Negative correlation

Answer 7

A negative relationship exists where the independent variable increases in value the dependant value falls in value

Question 8

No correlation

Answer 8

There is no discernible relationship between the independent and dependant variable