DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:10:28 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 091/Grayson VRSN: W 091-901/Bells ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 14,155,013 0.9886 14,318,241 18 362 .070918046 2 A 14,142,563 1.0315 13,710,677 16 192 .010137851 3 A 14,112,978 0.9751 14,473,365 12 132 .010386183 4 A 14,084,158 0.9759 14,431,968 15 86 .022188989 5 D3 37,085,035 1.0907 34,001,132 21 1,666 .037162135 RANDOM TOTALS: 93,579,747 90,935,383 82 2,438 CATG J EXCEPTION VALUES: 4,903,216 5,209,970 CATG D1 EXCEPTION VALUES: 3,604,521 2,450,236 TOTAL TEST VALUES (4): 102,087,484 98,595,589 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 4,929,779 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 93,665,810 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 102,087,484 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 103,525,368 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 100,030,719 (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
