DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:07:30 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 072/Erath VRSN: W 072-902/Dublin ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 14,564,846 1.0576 13,771,602 15 530 .114308790 2 A 14,557,543 0.9708 14,995,409 18 286 .022121006 3 A 14,635,241 0.9194 15,918,252 15 196 .009832397 4 A 14,366,353 0.9844 14,594,020 19 124 .022141841 5 D3 96,374,090 1.0015 96,229,745 21 3,899 .053094935 6 F1 3,849,623 0.8749 4,400,072 9 91 .044169749 7 F1 3,878,155 0.8531 4,545,956 11 33 .088475902 8 F1 3,752,101 0.7676 4,888,094 6 17 .024683675 9 F1 3,640,772 0.9575 3,802,373 5 7 .036221829 10 L1 4,599,145 0.8530 5,391,729 7 105 .016705711 11 L1 4,672,575 1.0080 4,635,491 6 20 .003877670 12 L1 9,023,348 1.0341 8,725,798 4 11 .003872039 RANDOM TOTALS: 187,913,792 191,898,541 136 5,319 CATG J EXCEPTION VALUES: 9,045,680 9,546,071 CATG D1 EXCEPTION VALUES: 18,274,710 14,956,771 TOTAL TEST VALUES (4): 215,234,182 216,401,383 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 10,820,069 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 205,581,314 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 215,234,182 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 227,221,452 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 202,879,064 (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
