6+7 Flashcards
1
Q
What if in the pmcc you calculated, Syy was in miles, what would the pmcc be if it was in km
A
THE SAME - CODING DOES NOT AFFECT PMCC
2
Q
What is the linear regression equation
A
y = a + bx
3
Q
What does the ‘x’ stand for in the linear regression equation
A
Gradient
4
Q
What do you calculate first in the linear equation
A
B then A
5
Q
How do you calculate b in the linear equation
A
Sxy / Sxx
6
Q
What is the linear regression line used for
A
the line of best fit
