DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:41:54 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 242/Wheeler VRSN: W 242-902/Shamrock ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 25,149,030 1.0612 23,698,671 29 1,115 .015145940 2 D3 9,414,820 0.8091 11,636,164 18 1,459 .058875026 3 F1 14,926,760 0.9888 15,095,833 11 343 .001412443 4 G1 9,527,523 1.0648 8,947,711 7 171 .015218558 5 G1 9,538,679 0.9574 9,963,107 6 74 .020844306 6 G1 10,026,565 1.0762 9,316,637 6 33 .012595394 7 L1 8,424,510 1.0558 7,979,267 10 240 .001843957 RANDOM TOTALS: 87,007,887 86,637,390 87 3,435 CATG J EXCEPTION VALUES: 6,066,214 6,531,391 CATG D1 EXCEPTION VALUES: 11,050,840 12,633,363 CATG G1 EXCEPTION VALUES: 19,949,628 19,577,023 TOTAL TEST VALUES (4): 124,074,569 125,379,167 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 6,268,958 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 119,110,209 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 124,074,569 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 131,648,125 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 128,558,147 (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
