11
TO DRAW A BEST LINE OF FIT Mr Ang JL 20 Aug 2013
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TO DRAW A BEST LINE OF FITMr Ang JL 20 Aug 2013
Example 1 Can you deduce what is not right about this 'best
fit line' ?
3 points on left side of
lineOnly 1 point on right side
of line
Example 1
Shift line slightly
Example 1
Improvedbest line of fit
in red
Shift line slightly
Example 2 Can you deduce what is not
right about this 'best fit line' ?
3 points on left side of
line
Only 1 point on right side
of line
Example 2
Shift line slightly
Example 2
Improvedbest line of fit
in red
Shift line slightly
Example 3 Can you deduce what is not
right about this 'best fit line' ?
3 points on left side of
line at lower end
2 points on right side of upper end of
line
Example 3
Shift line slightly
Shift line slightly
Example 3
Shift line slightly
Shift line slightly
Improvedbest line of fit
in red
