DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:20:19 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 224/Throckmorton VRSN: W 224-902/Woodson ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 607,396 0.9599 632,770 8 53 .043541499 2 A 598,221 0.9840 607,948 8 30 .011310921 3 A 612,825 0.9710 631,128 5 20 .000881572 4 A 577,447 0.9413 613,457 8 12 .002243765 5 D3 4,139,220 0.9207 4,495,732 27 925 .071741884 6 G1 2,296,880 0.7075 3,246,473 13 35 .219735650 7 G1 2,326,240 0.8623 2,697,715 8 14 .090859676 8 G1 2,124,500 1.2623 1,683,039 5 7 .078954629 9 G1 2,097,980 1.0763 1,949,252 3 4 .000451263 RANDOM TOTALS: 15,380,709 16,557,514 85 1,100 CATG J EXCEPTION VALUES: 927,231 895,255 CATG D1 EXCEPTION VALUES: 3,983,710 3,594,595 CATG G1 EXCEPTION VALUES: 6,488,330 6,547,713 TOTAL TEST VALUES (4): 26,779,980 27,595,077 MARGIN OF ERROR PERCENT: 5.0000005 MARGIN OF ERROR VALUE: 1,379,754 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 26,215,323 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 26,779,980 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 28,974,831 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 27,073,865 (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
