DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:36:46 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 020/Brazoria VRSN: W 020-908/Pearland ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 931,566,529 0.9833 947,387,907 57 7,251 .001496604 2 A 930,850,483 0.9875 942,633,401 57 5,553 .001449602 3 A 931,319,528 0.9995 931,785,421 57 4,539 .001558800 4 A 931,044,312 0.9857 944,551,397 57 3,162 .001061180 5 F1 84,558,786 0.8292 101,976,346 8 360 .059688717 6 F1 84,411,155 0.8696 97,068,945 7 103 .014311506 7 F1 84,017,673 0.8541 98,369,831 7 35 .023645836 8 F1 83,997,077 1.0177 82,536,186 4 10 .003160043 RANDOM TOTALS: 4,061,765,543 4,146,309,434 254 21,013 CATG D1 EXCEPTION VALUES: 292,590 279,983 TOTAL TEST VALUES (4): 4,062,058,133 4,146,589,417 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 207,329,471 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 3,939,259,946 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 4,062,058,133 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 4,353,918,888 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 4,412,465,469 (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
