DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:33:05 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 188/Potter VRSN: W 188-902/River Road ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 39,406,690 1.0478 37,608,981 14 615 .097436771 2 A 39,476,106 0.9919 39,798,474 14 430 .010747746 3 A 39,467,368 1.0448 37,775,046 14 362 .037303247 4 A 39,241,137 0.9708 40,421,443 14 262 .003086861 5 G1 19,132,409 1.0410 18,378,875 20 41 .008541846 RANDOM TOTALS: 176,723,710 173,982,819 76 1,710 CATG J EXCEPTION VALUES: 8,808,444 8,937,245 CATG D1 EXCEPTION VALUES: 2,768,896 3,452,886 TOTAL TEST VALUES (4): 188,301,050 186,372,950 MARGIN OF ERROR PERCENT: 5.0000003 MARGIN OF ERROR VALUE: 9,318,648 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 177,054,302 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 188,301,050 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 195,691,598 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 189,434,325 (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
