DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:24:02 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 243/Wichita VRSN: W 243-902/Electra ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 9,879,557 0.9375 10,538,194 7 586 .101518561 2 A 9,885,695 0.9015 10,965,829 7 296 .020495102 3 A 9,895,993 0.9813 10,084,575 8 184 .001723695 4 A 9,831,888 1.0164 9,673,247 9 110 .002367530 5 D3 3,056,735 0.9508 3,214,908 13 987 .016309039 6 G1 13,855,360 0.9771 14,180,084 6 76 .068097266 7 G1 13,354,130 0.9829 13,586,458 5 19 .003372608 8 G1 14,182,930 1.1740 12,080,860 3 5 .011995215 9 L1 2,282,871 0.9727 2,346,943 6 60 .013984516 10 L1 2,205,826 0.9502 2,321,433 8 17 .007465861 11 L1 2,242,828 0.9916 2,261,827 5 9 .000739950 12 L1 2,135,987 0.9793 2,181,137 3 5 .000126370 RANDOM TOTALS: 92,809,800 93,435,495 80 2,354 CATG J EXCEPTION VALUES: 8,047,203 7,889,457 CATG D1 EXCEPTION VALUES: 13,619,199 13,880,844 CATG G1 EXCEPTION VALUES: 31,822,672 34,153,873 TOTAL TEST VALUES (4): 146,298,874 149,359,669 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 7,467,983 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 141,891,686 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 146,298,874 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 156,827,652 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 157,986,014 (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
