DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:36:22 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 210/Shelby VRSN: W 210-902/Joaquin ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 7,690,576 1.1403 6,744,344 7 340 .067234591 2 A 7,691,863 0.9505 8,092,439 7 186 .085224392 3 A 7,734,944 1.0803 7,159,996 7 124 .040979783 4 A 7,615,303 1.0090 7,547,377 6 64 .027769935 5 D3 26,079,148 0.9127 28,573,626 21 2,532 .072391128 6 G1 36,095,681 0.9892 36,489,771 6 52 .024544493 7 G1 34,228,245 1.0329 33,138,005 5 23 .046603151 8 G1 37,101,167 0.9790 37,897,004 5 17 .003784635 9 G1 32,452,604 0.9964 32,569,855 4 7 .004159937 RANDOM TOTALS: 196,689,531 198,212,417 68 3,345 CATG D1 EXCEPTION VALUES: 8,453,490 9,888,278 TOTAL TEST VALUES (4): 205,143,021 208,100,695 MARGIN OF ERROR PERCENT: 5.0000001 MARGIN OF ERROR VALUE: 10,405,035 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 197,695,660 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 205,143,021 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 218,505,730 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 218,369,375 (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
