2.3

Question 1

• What is correlation?
• What are the 2 types of correlation and describe them.

Answer 1

• when 2 variables are changing
• positive = both variables are changing in the same direction, etheir both going up OR both going down
• negative = variables are changing in the opposite direction

Question 2

What is co-variance?

Answer 2

• when 2 variables are changing together
• think of it as the same as correlation for the teas

Question 3

What type of relationship is negative covariance/correlation?

Answer 3

inversely related

Question 4

What type of relationship is positive correlation/ co-variance?

Answer 4

directly related