Y1, C4 - Correlation Flashcards
1
Q
What is bivariate data
A
Data with two variables
2
Q
What is a casual relationship
A
One thing causes another (knock-on effect)
3
Q
What is another word for a regression line
A
A line of best fit
4
Q
When should you use a linear regression line
A
When the data appears to be in a straight line
5
Q
When should you use an exponential regression line
A
When the data appears to not be in a straight line
6
Q
What is interpolation
A
Estimating a value inside the data range
7
Q
What is extrapolation
A
Estimating a value outside the data range
8
Q
What variable should you use regression lines to make predictions for
A
The dependent variable (y) within the given range of data
