Analysis and interpretation of correlations

Question 1

What is a correlation?

Answer 1

• A mathematical technique in which a researcher investigates an association between two variables called co - variables

Question 2

Draw examples of a +1 and -1 correlation

Question 3

What does a +1 and -1 correlation mean

Answer 3

+ = a perfect positive correlation
- = a perfect negative correlation

Question 3

Draw an example of a -0.6 and +0.3

Question 4

How do you determine the strength of a correlation

Answer 4

• The closer to +1, the stronger the relationship between the two co - variables
• The closer to 0, the weaker the relationship between the two co - variables