DATE: 06/22/2005 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:04:07 2004 CONFIDENCE INTERVAL DETAIL REPT: PTS428 091/Grayson VRSN: W 091-918/Tom Bean ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS _________ ________ ___________ _____________ ___________ ___________ _____________ 1 A 19,404,180 0.9124 21,267,185 15 395 2 A 19,373,182 0.9740 19,890,331 15 226 3 A 19,366,373 0.9368 20,672,900 14 157 4 A 19,385,812 0.9990 19,405,217 16 106 5 D3 26,568,759 0.9044 29,377,221 17 1,599 RANDOM TOTALS: 104,098,306 110,612,854 77 2,483 CATG D1 EXCEPTION VALUES: 3,934,837 3,183,603 TOTAL TEST VALUES (4): 108,033,143 113,796,457 MARGIN OF ERROR PERCENT: 5.0000001 MARGIN OF ERROR VALUE: 5,689,823 CONFIDENCE INTERVAL VALUES (5): LOCAL TEST VALUE: 108,033,143 (OUTSIDE CONFIDENCE INTERVAL) STATE LOWER LIMIT: 108,106,634 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) STATE UPPER LIMIT: 119,486,280 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 104,655,872 (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
