1
Q
Independant variable
A
X axis
2
Q
dependant variable
A
Y axis
3
Q
why can we not use data unknown on the graph
A
extrapolation
it is inaccurate we cannot predict trends only is
it is a near value
4
Q
curve
A
no it would be a weak correlation, it is curved for a line
0 correlation
5
Q
line of best fit
A
y=mx+c
6
Q
mgive an interpretation of the line of best fit
A
for every unit on x it increases by one M in Y
7
Q
what is a regression line
A
the regression of y on x
edexcel maths
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