DATE: 06/22/2005 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:21:43 2004 CONFIDENCE INTERVAL DETAIL REPT: PTS428 220/Tarrant VRSN: W 220-905/Fort Worth ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS _________ ________ ___________ _____________ ___________ ___________ _____________ 1 A 2,583,042,001 0.9977 2,588,996,693 98 46,324 2 A 2,580,044,352 1.0208 2,527,472,915 99 25,771 3 A 2,580,113,449 1.0242 2,519,150,019 98 15,850 4 A 2,579,637,304 0.9582 2,692,170,010 100 6,397 5 B 310,718,726 0.9200 337,737,746 28 3,236 6 B 311,906,435 1.0213 305,401,385 8 157 7 B 311,248,924 0.9180 339,051,115 7 60 8 B 308,386,851 0.8977 343,529,967 9 23 9 C 72,687,029 0.8874 81,910,107 11 7,968 10 C 69,613,667 0.8818 78,944,961 12 1,370 11 C 71,375,020 1.0284 69,403,948 7 460 12 C 70,885,358 1.0192 69,549,998 7 113 13 F1 1,017,576,352 0.8067 1,261,406,163 34 3,794 14 F1 1,018,293,331 0.7745 1,314,775,121 21 822 15 F1 1,017,631,589 0.8287 1,227,985,506 6 217 16 F1 1,015,944,439 0.9449 1,075,187,257 7 50 17 L1 586,863,958 1.0559 555,795,017 7 3,265 18 L1 587,854,593 0.9747 603,113,361 8 475 19 L1 593,251,573 1.0265 577,936,262 7 127 20 L1 577,634,686 1.0070 573,619,351 7 24 RANDOM TOTALS: 18,264,709,637 19,143,136,902 581 116,503 CATG D1 EXCEPTION VALUES: 1,485,435 1,358,913 TOTAL TEST VALUES (4): 18,266,195,072 19,144,495,815 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 957,224,791 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 18,187,271,024 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 18,266,195,072 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 20,101,720,606 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 17,817,707,417 (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
