| List-I | List-II |
| (a)X chart | (i) Number of defects |
| (b) P chart | (ii) Variations between samples |
| (c) C chart | (iii) Variations within samples |
| (d) R chart | (iv) Proportion of defectives |
| List-I | List-II |
| (a) Cycle stock | (i) Hedge against the possibility of stockout |
| (b) Transit stock | (ii) Stock to meet inventory cycle |
| (c) Buffer stock | (iii) The stock moved between various elements of the supply chain |
| (d) Safety stock | (iv) Extra stock to meet fluctuations in demand |