DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:25:30 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 249/Wise VRSN: W 249-901/Alvord ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 9,641,727 1.0644 9,058,368 8 177 .067113659 2 A 9,622,883 1.0031 9,593,144 10 113 .007459694 3 A 9,591,863 1.0858 8,833,913 9 85 .030268136 4 A 9,600,399 1.0547 9,102,493 10 53 .027822825 5 D3 68,764,480 0.9908 69,402,987 23 2,263 .015681061 6 G1 4,558,906 0.9981 4,567,584 6 72 .000187572 7 G1 4,483,750 1.0380 4,319,605 6 27 .001151351 8 G1 4,390,584 0.9913 4,429,117 5 16 .001109912 9 G1 4,424,291 1.0741 4,119,068 3 5 .009759685 RANDOM TOTALS: 125,078,883 123,426,279 80 2,811 CATG J EXCEPTION VALUES: 9,496,117 9,678,138 CATG D1 EXCEPTION VALUES: 3,182,850 2,948,846 TOTAL TEST VALUES (4): 137,757,850 136,053,263 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 6,802,663 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 129,250,600 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 137,757,850 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 142,855,926 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 146,952,365 (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
