DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:20:37 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 226/Tom Green VRSN: W 226-903/San Angelo ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 447,031,289 0.9817 455,364,459 46 10,783 .004813192 2 A 445,412,623 0.9824 453,392,328 43 5,759 .002377474 3 A 446,202,416 0.9786 455,959,959 46 3,963 .002059014 4 A 446,198,624 0.9851 452,947,542 43 2,091 .002342476 5 F1 124,144,390 0.9237 134,399,036 16 1,054 .015767357 6 F1 124,055,263 0.7982 155,418,771 11 308 .110944771 7 F1 124,423,402 0.9094 136,819,224 12 92 .019070390 8 F1 123,397,428 0.9553 129,171,389 8 22 .003744929 9 L1 69,357,255 0.9730 71,281,865 8 1,094 .031133588 10 L1 69,377,800 1.1079 62,620,995 10 205 .024575225 11 L1 70,192,727 1.0462 67,093,029 8 64 .027766956 12 L1 68,499,778 1.0438 65,625,386 9 16 .009232266 RANDOM TOTALS: 2,558,292,995 2,640,093,983 260 25,451 CATG D1 EXCEPTION VALUES: 6,307,890 5,853,657 TOTAL TEST VALUES (4): 2,564,600,885 2,645,947,640 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 132,297,382 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 2,513,650,258 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 2,564,600,885 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 2,778,245,022 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 2,531,683,952 (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
