describe the graph
say what you see:
shape of line of best fit - curved, linear, where it levels off
start point & end point
general trends
describe & explain
see ‘describe’ card
explain: biology ALT
evaluate graph
do ‘for’ & ‘against’
for: yes, the graph shows the correct trend
against: other factors that might affect the result (GIVE EXAMPLE)
no stats test to see if the difference is statistically significant
standard deviations overlap