What would the r2 value tell you about the data that you selected?

What is the equation of the regression line?

Use the regression line to make a prediction about the data you collected

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Paracetamol Treatment Nomogram - Treat ALL patients with serum paracetamol levels above the nomogram treatment line. A single nomogram treatment line is recommended. This line has been lowered by 25% from standard lines to take into account: 1. Potential for minor error estimating the of time of ingestion 2. Increased safety for all patients with potential risk factors Ensure that correct units are used (ie umol/L or mg/L) 160 1000 150 140 900 130 Blood paracetamol concentration (umol/L) 800 120 110 700 100 600 90 500 400 8 8 8 8 300 Blood paracetamol concentration (mg/L) 40 200 30 20 100 10 O O 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) Adapted from Rumack and Mathew (Smilkstein et al. Ann Emerg Med 1991; 20: 1058-63)