DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:10:45 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 091/Grayson VRSN: W 091-909/Whitesboro ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 42,707,859 1.0180 41,952,710 29 1,331 .012181223 2 A 42,756,265 1.0127 42,220,070 17 715 .019265643 3 A 42,703,160 0.9771 43,703,981 26 462 .002664957 4 A 42,646,214 0.9746 43,757,659 11 268 .000767213 5 D3 80,406,515 1.0067 79,871,377 54 3,562 .056923868 6 F1 6,223,276 1.0234 6,080,981 8 85 .051567884 7 F1 6,098,335 0.8644 7,054,992 5 25 .050694994 8 F1 6,136,509 0.8121 7,556,347 5 13 .056960868 9 F1 6,101,641 1.0437 5,846,164 3 6 .016833423 10 G1 4,955,640 1.0091 4,910,950 6 47 .026736285 11 G1 5,388,465 0.9254 5,822,850 5 14 .031804017 12 G1 4,870,730 1.0104 4,820,596 3 6 .000001287 13 L1 3,834,237 0.9142 4,194,090 7 144 .047576165 14 L1 3,930,915 0.9759 4,027,990 8 40 .011097563 15 L1 3,675,096 0.9530 3,856,344 4 10 .014138665 16 L1 3,678,338 1.1020 3,337,875 3 4 .018933674 RANDOM TOTALS: 306,113,195 309,014,976 194 6,732 CATG D1 EXCEPTION VALUES: 8,693,500 5,830,502 CATG G1 EXCEPTION VALUES: 4,569,410 4,632,508 TOTAL TEST VALUES (4): 319,376,105 319,477,986 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 15,973,899 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 303,504,087 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 319,376,105 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 335,451,885 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 300,668,775 (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
