DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:18:47 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 214/Starr VRSN: W 214-903/Roma ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 35,837,922 1.0872 32,963,504 8 2,171 .047556138 2 A 35,882,056 0.9313 38,528,998 8 1,271 .008530393 3 A 35,747,864 0.8586 41,635,062 8 827 .011900938 4 A 35,805,907 0.9992 35,834,575 7 444 .019128952 5 C 7,746,614 0.9392 8,248,098 7 1,626 .044501809 6 C 7,166,192 0.9842 7,281,236 10 947 .064489499 7 C 7,447,764 0.9888 7,532,124 7 654 .025465563 8 C 7,450,656 1.0198 7,305,997 7 213 .006564158 9 D3 11,243,420 1.1953 9,406,358 10 8,440 .066046523 10 F1 7,928,280 0.9609 8,250,890 9 197 .016690773 11 F1 7,946,794 1.0250 7,752,970 7 91 .002536535 12 F1 7,940,771 0.9545 8,319,299 10 50 .015730617 13 F1 7,782,522 1.0111 7,697,084 5 17 .007347594 14 G1 35,872,846 0.9529 37,645,971 6 50 .045660970 15 G1 36,797,710 0.9798 37,556,348 5 20 .014267890 16 G1 37,696,986 0.9768 38,592,328 4 10 .003976829 17 G1 31,399,770 1.0047 31,252,881 3 5 .000734170 RANDOM TOTALS: 357,694,074 365,803,723 121 17,033 CATG J EXCEPTION VALUES: 10,479,142 10,492,093 CATG D1 EXCEPTION VALUES: 19,706,610 22,014,391 TOTAL TEST VALUES (4): 387,879,826 398,310,207 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 19,915,510 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 378,394,697 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 387,879,826 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 418,225,717 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 387,842,349 (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
