DATE: 02/10/2005 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 12:05:20 2004 CONFIDENCE INTERVAL DETAIL REPT: PTS428 101/Harris VRSN: P 101-912/Houston ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS _________ ________ ___________ _____________ ___________ ___________ _____________ 1 A 10,443,787,037 0.9832 10,622,240,680 50 119,044 2 A 10,446,761,049 0.9888 10,565,090,058 50 56,964 3 A 10,443,010,645 0.9935 10,511,334,318 50 29,788 4 A 10,433,824,015 1.0072 10,359,237,505 50 11,116 5 B 1,529,303,479 0.8234 1,857,303,229 58 4,371 6 B 1,524,007,755 0.7809 1,951,604,245 8 330 7 B 1,538,092,902 0.8826 1,742,684,004 11 127 8 B 1,513,767,672 0.8392 1,803,822,297 11 55 9 C 378,777,715 0.7390 512,554,418 40 18,153 10 C 377,861,402 0.7101 532,124,211 27 3,256 11 C 378,483,384 0.8559 442,205,145 20 875 12 C 378,142,238 0.8042 470,209,199 8 160 13 D3 331,859,320 0.7231 458,939,732 14 1,459 14 F1 4,427,497,293 0.7853 5,637,969,302 32 8,664 15 F1 4,431,788,643 0.8483 5,224,317,627 13 1,202 16 F1 4,423,666,260 0.8353 5,295,901,185 7 261 17 F1 4,423,594,394 1.0165 4,351,789,861 7 49 18 L1 1,989,759,573 0.9568 2,079,598,216 9 19,547 19 L1 1,989,215,565 0.9509 2,091,929,293 9 2,416 20 L1 1,990,873,916 0.9133 2,179,868,516 8 571 21 L1 1,987,695,187 0.9271 2,143,992,220 9 98 RANDOM TOTALS: 75,381,769,444 80,834,715,261 491 278,506 CATG D1 EXCEPTION VALUES: 609,410 539,546 TOTAL TEST VALUES (4): 75,382,378,854 80,835,254,807 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 4,041,762,740 CONFIDENCE INTERVAL VALUES (5): LOCAL TEST VALUE: 75,382,378,854 (OUTSIDE CONFIDENCE INTERVAL) STATE LOWER LIMIT: 76,793,492,067 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) STATE UPPER LIMIT: 84,877,017,547 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 73,501,916,881 (SEE ISD SUMMARY WORKSHEET) SOURCES: (1) SEE STRATIFIED CATEGORY WORKSHEET REPORTS PTS236, PTS430 (2) NUMBER OF PARCELS SAMPLED BY STAFF (3) TOTAL CATEGORY PARCELS FROM STRATIFICATION REPORT APPRAISAL ROLL, OR SELF-REPORT (4) INCLUDES ANY PARCELS IN A, B, C, D3, F1, G1, G2,OR L1 MARKED AS EXCEPTION PROPERTIES (5) UNSTUDIED CATEGORIES AND SUB-CATEGORIES WERE NOT INCLUDED IN THE CONFIDENCE INTERVAL VALUES
