DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:21:26 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 229/Tyler VRSN: W 229-905/Spurger ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 4,492,761 0.9375 4,792,278 6 230 .007569902 2 A 4,472,382 0.9369 4,773,596 7 129 .004576906 3 A 4,521,592 0.9568 4,725,744 6 82 .000769203 4 A 4,420,481 0.9834 4,495,100 6 52 .001053975 5 D3 12,450,165 0.9653 12,897,716 10 1,689 .001806000 RANDOM TOTALS: 30,357,381 31,684,434 35 2,182 CATG J EXCEPTION VALUES: 2,457,382 2,453,640 CATG D1 EXCEPTION VALUES: 13,543,790 14,169,929 TOTAL TEST VALUES (4): 46,358,553 48,308,003 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 2,415,400 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 45,892,603 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 46,358,553 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 50,723,403 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 42,172,966 (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
