DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:24:30 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 245/Willacy VRSN: W 245-902/Lyford CISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 10,337,273 0.9658 10,703,327 15 588 .006651934 2 A 10,334,050 0.9985 10,349,574 15 343 .004798389 3 A 10,358,776 0.9602 10,788,144 15 240 .006685058 4 A 10,291,260 0.9214 11,169,156 16 130 .003881702 5 D3 17,176,571 0.9093 18,889,883 20 179,033 .030619516 6 G1 21,472,167 0.9470 22,673,883 10 23 .025398678 7 L1 1,644,198 1.0889 1,509,962 10 40 .018879559 8 L1 1,812,729 1.0646 1,702,732 6 11 .007681790 9 L1 1,689,217 1.1267 1,499,261 2 3 .016372190 RANDOM TOTALS: 85,116,241 89,285,922 109 180,411 CATG J EXCEPTION VALUES: 7,298,549 6,638,021 CATG D1 EXCEPTION VALUES: 49,020,438 48,995,378 CATG L1 EXCEPTION VALUES: 8,207,543 8,207,543 TOTAL TEST VALUES (4): 149,642,771 153,126,864 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 7,656,343 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 145,470,521 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 149,642,771 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 160,783,207 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 151,172,123 (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
