DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:54:48 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 108/Hidalgo VRSN: W 108-902/Donna ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 116,952,827 0.9549 122,476,518 7 4,349 .047774277 2 A 116,996,961 0.9955 117,525,827 15 2,575 .061467325 3 A 116,884,415 1.0313 113,336,968 17 1,728 .042981849 4 A 116,932,199 0.9020 129,636,584 19 1,002 .024269382 5 C 14,362,408 0.8908 16,123,044 7 1,338 .027521154 6 C 14,176,169 0.9791 14,478,775 7 875 .003101337 7 C 14,346,131 1.0360 13,847,617 7 698 .007127012 8 C 14,191,145 1.0963 12,944,582 7 267 .060160489 9 D3 33,925,312 0.9661 35,115,735 15 1,877 .004957244 10 F1 18,970,855 0.9167 20,694,726 8 206 .019350501 11 F1 19,158,984 1.0235 18,719,085 6 75 .017014318 12 F1 19,049,967 1.0601 17,969,972 7 29 .008621203 13 F1 18,520,373 0.8123 22,799,918 4 8 .021337829 14 L1 9,319,782 1.0789 8,638,226 6 193 .010922300 15 L1 9,294,169 0.9681 9,600,422 6 39 .013447704 16 L1 9,811,550 0.9369 10,472,356 5 14 .012924415 17 L1 8,764,430 1.5132 5,791,984 3 5 .172193356 RANDOM TOTALS: 671,657,677 690,172,339 146 15,278 CATG D1 EXCEPTION VALUES: 13,777,773 13,347,024 TOTAL TEST VALUES (4): 685,435,450 703,519,363 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 35,175,968 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 668,343,395 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 685,435,450 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 738,695,331 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 668,377,811 (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
