DATE: 02/10/2005 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 12:22:40 2004 CONFIDENCE INTERVAL DETAIL REPT: PTS428 228/Trinity VRSN: P 228-901/Groveton ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS _________ ________ ___________ _____________ ___________ ___________ _____________ 1 A 11,663,830 1.0245 11,384,900 16 702 2 A 11,640,852 0.9374 12,418,233 15 402 3 A 11,652,487 0.8818 13,214,433 15 261 4 A 11,649,472 0.9678 12,037,066 18 146 5 C 4,300,428 1.3794 3,117,608 15 1,342 6 C 4,218,435 1.1306 3,731,147 15 901 7 C 1,849,935 1.3276 1,393,443 15 333 8 C 3,375,083 1.0517 3,209,169 16 264 9 D3 28,431,219 1.0551 26,946,469 20 5,146 RANDOM TOTALS: 88,781,741 87,452,468 145 9,497 CATG J EXCEPTION VALUES: 4,426,257 4,321,384 CATG D1 EXCEPTION VALUES: 39,118,243 33,001,710 TOTAL TEST VALUES (4): 132,326,241 124,775,562 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 6,238,778 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 118,536,784 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) STATE UPPER LIMIT: 131,014,340 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 132,326,241 (OUTSIDE CONFIDENCE INTERVAL) VALUE ASSIGNED (6): 127,744,035 (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
