The following data represents the amount of medication still in someone's system after specific amounts of time. Time 6 9 15 (hours) O 3 12 Meds (mg) 500 255 129 66 33 15 What would a residual of -5 mean in context of this data? O The person actually had 5 mg less of medication in the blood than estimated. O The person actually had 5 mg more of medication in the blood than estimated. O After 5 hours the person had their blood tested for medication. O The person actually had 5 mg of medication in the blood