State one category of machine learning.

Mark scheme

Marking points from the official mark scheme (May/June 2023). The mark or mark type is shown in brackets.

1. [1] One mark from: Supervised (learning) Unsupervised (learning) Reinforcement (learning) Deep (learning)
2. [5] One mark for each correct calculation as follows (Max 2): • Node B (from Begin) (Line 3 in table) • Node C (from Begin) (Line 4 in table) • Node D (from Begin) (Line 5 in table) One mark for each correct calculation as follows (Max 2): • Node G (from C) (Line 6 in table) • Node F and Node End (from G) (Lines 7 and 8 in table) • Node End (from F) (Line 9 in table) One mark for correct path (Max 1): • Begin ⇨ C ⇨ G ⇨ F ⇨ End Cost from Start Destination Heuristic Total node node start node (g) (h) (f = g + h) Begin Begin 0 12 12 Begin A 5 8 13 Begin B 6 7 13 Begin C 5 7 12 Begin D 4 11 15 C G 5+2=7 5 12 G F 5+2+4=11 1 12 G End 5+2+7= 14 0 14 F End 5+2+4+1 = 12 0 12 Final Path Begin ⇨ C ⇨ G ⇨ F ⇨ End