DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:50:06 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 090/Gray VRSN: W 090-905/Grandview-Hopkins ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 D3 3,097,110 0.6862 4,513,422 10 414 .203261927 2 G1 15,932,818 0.9272 17,183,799 11 86 .023641014 3 G1 16,012,273 0.9699 16,509,200 9 42 .006347217 4 G1 16,168,282 1.0353 15,617,002 8 29 .009447722 5 G1 15,182,986 1.0332 14,695,108 6 14 .011797155 RANDOM TOTALS: 66,393,469 68,518,531 44 585 CATG J EXCEPTION VALUES: 3,781,257 3,611,727 CATG D1 EXCEPTION VALUES: 6,651,080 7,723,185 TOTAL TEST VALUES (4): 76,825,806 79,853,443 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 3,992,672 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 75,860,771 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 76,825,806 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 83,846,115 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 88,140,224 (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
