DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:16:09 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 110/Hockley VRSN: W 110-905/Ropes ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 2,561,883 0.7128 3,594,112 16 104 .051586142 2 A 2,534,504 0.8197 3,091,990 16 44 .037690465 3 A 2,491,709 0.9042 2,755,706 14 29 .045638549 4 A 2,506,569 1.0063 2,490,876 12 20 .008413324 5 D3 12,388,822 0.9900 12,513,962 28 1,058 .059488551 RANDOM TOTALS: 22,483,487 24,446,646 86 1,255 CATG J EXCEPTION VALUES: 1,806,900 1,872,410 CATG D1 EXCEPTION VALUES: 13,364,101 8,426,962 TOTAL TEST VALUES (4): 37,654,488 34,746,018 MARGIN OF ERROR PERCENT: 5.0000003 MARGIN OF ERROR VALUE: 1,737,301 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 33,008,717 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) STATE UPPER LIMIT: 36,483,319 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 37,654,488 (OUTSIDE CONFIDENCE INTERVAL) VALUE ASSIGNED (6): 45,123,643 (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
