Solve without using ms excel

There are one-month data. The production rate varies from day to day. Number of non-conforming components are also given with number inspected. Draw a p-chart and find the control limits. Subgroup no. Number inspected (n) Number defective (np) 1 2385 47 2 1451 18 3 1935 74 4 2450 42 5 1997 39 2168 52 7 1941 47 8 1962 34 9 2244 29 10 1238 39 11 2289 45 12 1464 26 13 2061 47 14 1667 34 15 2350 31 16 2354 38 17 1509 28 18 2190 30 19 2678 113 20 2252 58 21 1641 52 22 1782 19 23 1993 30 24 2382 17 25 2132 46