DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:40:32 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 039/Clay VRSN: W 039-905/Midway ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 1,297,406 0.8627 1,503,890 7 56 .043080923 2 A 1,234,370 0.9685 1,274,517 10 26 .007768260 3 A 1,275,274 1.0275 1,241,143 7 18 .030128909 4 A 1,253,307 1.0251 1,222,619 5 11 .004389580 5 D3 17,282,440 1.0090 17,128,285 20 2,266 .000512444 6 G1 5,243,460 1.1164 4,696,757 7 96 .057880935 7 G1 5,208,600 1.0104 5,154,988 6 36 .002555210 8 G1 5,426,320 0.9513 5,704,110 5 18 .002503460 9 G1 4,924,070 0.9777 5,036,381 3 5 .022970152 RANDOM TOTALS: 43,145,247 42,962,690 70 2,532 CATG J EXCEPTION VALUES: 1,860,336 1,768,175 CATG D1 EXCEPTION VALUES: 12,900,900 10,451,245 TOTAL TEST VALUES (4): 57,906,483 55,182,110 MARGIN OF ERROR PERCENT: 5.0000009 MARGIN OF ERROR VALUE: 2,759,106 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 52,423,004 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 57,906,483 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 57,941,216 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 59,287,630 (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
