DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:18:28 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 119/Jack VRSN: W 119-903/Perrin-Whitt CISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 1,081,607 0.9515 1,136,739 7 97 .004936022 2 A 1,091,543 0.9566 1,141,065 8 53 .021829137 3 A 2,127,179 0.9561 2,224,850 8 55 .015149202 4 D3 44,773,580 0.9837 45,515,482 23 2,718 .014854082 5 G1 7,402,690 1.0493 7,054,884 7 110 .007828471 6 G1 7,520,810 1.0828 6,945,706 6 37 .024787914 7 G1 7,442,490 1.0250 7,260,966 5 19 .003493363 8 G1 7,243,840 1.0805 6,704,155 4 9 .019352221 RANDOM TOTALS: 78,683,739 77,983,847 68 3,098 CATG J EXCEPTION VALUES: 4,571,870 5,645,278 CATG D1 EXCEPTION VALUES: 7,112,640 7,436,193 TOTAL TEST VALUES (4): 90,368,249 91,065,318 MARGIN OF ERROR PERCENT: 5.0000001 MARGIN OF ERROR VALUE: 4,553,266 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 86,512,052 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 90,368,249 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 95,618,584 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 91,273,747 (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
