DATE: 02/10/2005 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 12:00:19 2004 CONFIDENCE INTERVAL DETAIL REPT: PTS428 068/Ector VRSN: P 068-901/Ector County ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS _________ ________ ___________ _____________ ___________ ___________ _____________ 1 A 415,424,856 0.9311 446,165,671 25 12,982 2 A 415,457,816 0.9666 429,813,590 21 7,385 3 A 415,430,382 0.9796 424,081,648 16 4,920 4 A 415,441,472 0.9711 427,805,038 22 2,676 5 F1 152,663,877 0.9799 155,795,364 18 2,221 6 F1 152,854,476 0.9069 168,546,120 11 625 7 F1 153,838,286 1.0905 141,071,331 10 163 8 F1 151,011,825 0.9526 158,525,955 7 26 9 G1 1,460,391,460 1.0454 1,396,969,064 19 1,034 10 L1 145,576,367 0.9803 148,501,854 9 1,178 11 L1 145,912,449 0.9589 152,166,492 9 310 12 L1 144,879,911 1.0170 142,458,123 10 123 13 L1 145,358,090 1.0098 143,947,405 10 36 RANDOM TOTALS: 4,314,241,267 4,335,847,655 187 33,679 CATG D1 EXCEPTION VALUES: 3,862,933 4,830,249 TOTAL TEST VALUES (4): 4,318,104,200 4,340,677,904 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 217,033,895 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 4,123,644,009 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 4,318,104,200 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 4,557,711,799 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 5,029,862,142 (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
