Chapter 4: Correlation

Question 1

Bivariate data

Answer 1

Data which has pairs of values for two variables. You can represent bivariate data on a scatter diagram. The independent variable is something which the researcher can control and is usually plotted on the x-axis, and the dependent value is the measured value, usually plotted on the y-axis.

Question 2

Types of correlation

Answer 2

Question 3

Linear regression

Answer 3

Question 4

Models of the form y=ax^n

Answer 4

Question 5

PMCC

Answer 5