DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:59:18 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 125/Jim Wells VRSN: W 125-905/Premont ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 6,533,303 0.9427 6,930,416 7 334 .029282367 2 A 6,511,157 0.9645 6,750,811 7 195 .002027285 3 A 6,547,380 0.9859 6,641,018 7 135 .011040490 4 A 6,493,770 0.9650 6,729,295 6 81 .001875028 5 D3 15,644,497 0.9222 16,964,321 10 1,956 .002745940 6 G1 16,970,097 1.0068 16,855,480 8 28 .000173416 RANDOM TOTALS: 58,700,204 60,871,341 45 2,729 CATG J EXCEPTION VALUES: 7,684,648 7,720,765 CATG D1 EXCEPTION VALUES: 10,300,487 10,813,495 TOTAL TEST VALUES (4): 76,685,339 79,405,601 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 3,970,280 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 75,435,321 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 76,685,339 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 83,375,881 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 118,536,868 (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
