Final answer:
Lead I has an up QRS complex and AVF has a down QRS complex, which represents a normal axis.
Step-by-step explanation:
An ECG measures the electrical activity of the heart using leads placed on the patient's body. Lead I and AVF are two of the standard leads used in an ECG. In a normal axis, the QRS complex in Lead I should be up, while in AVF, it should be down. So, in this case, where Lead I has an up QRS complex and AVF has a down QRS complex, it represents a normal axis.