13.3 For the code size data of Table 11.2, find the confidence intervals for the average code sizes on various processors. Choose any two processors and answer the following: a. At what level of significance can you say that one is better than the other? b. How many workloads would you need to decide the superiority at 90% confidence? TABLE 11.2 Raw Data for the Code Size Comparison Study Processor Benchmark RISC-I Z8002 VAX-11/780 PDP-11/70 C/70 140 126 98 144 112 168 120 98 120 141 176 288 299 180 141 374 1,091 211 31515F 288 317 992 893 302 E-String Search F-Bit Test H-Linked List K-Bit Matrix I-Quick Sort Ackermann(3,6) Recursive Osort Puzzle (Subscript) Puzzle (Pointer) SED (Batch Editor) Towers Hanoi (18) Sum Average 144 2,736 2,796 752 17,720 96 25,960 2,360 1,368 1,398 602 17,720 240 23,542 2,140.18 1,368 1,398 451 10,632 374 1,091 86 1,642 1,398 376 8,860 96 14,502 1,318.36 893 86 1,642 1,678 376 8,860 77 67 15,632 1,421.09 14,278 1,298