DATE: 02/03/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 08:13:44 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 221/Taylor VRSN: W 221-901/Abilene ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 415,665,804 1.0041 413,968,533 51 10,901 .013499668 2 A 415,606,198 0.9938 418,199,032 55 5,826 .005325246 3 A 415,634,229 0.9940 418,143,088 64 4,130 .002581307 4 A 415,538,527 0.9860 421,438,668 56 2,262 .001409223 5 B 48,677,386 0.9604 50,684,492 8 560 .002738687 6 B 50,930,923 1.0722 47,501,327 7 27 .093550212 7 B 47,758,942 1.0039 47,573,406 4 10 .002583062 8 B 45,972,127 0.9520 48,290,049 4 5 .005491002 9 F1 171,972,739 0.9821 175,107,157 21 1,247 .052257192 10 F1 172,236,000 0.9227 186,665,222 9 293 .077786071 11 F1 172,012,490 1.0265 167,571,836 7 91 .008273624 12 F1 171,118,277 0.9446 181,154,221 7 28 .005185707 13 L1 113,463,867 0.9653 117,542,595 10 1,402 .003308829 14 L1 114,118,579 1.0423 109,487,268 8 268 .004537486 15 L1 113,212,239 0.8893 127,304,890 6 82 .028816035 16 L1 113,019,922 1.0352 109,176,895 6 20 .003163975 RANDOM TOTALS: 2,996,938,249 3,039,808,679 323 27,152 CATG D1 EXCEPTION VALUES: 1,634,889 1,664,103 TOTAL TEST VALUES (4): 2,998,573,138 3,041,472,782 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 152,073,639 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 2,889,399,143 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 2,998,573,138 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 3,193,546,421 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 2,982,879,316 (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
