DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:07:38 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 161/McLennan VRSN: W 161-920/China Spring ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 60,495,555 0.9323 64,888,507 17 682 .015225146 2 A 60,494,346 0.9825 61,571,853 50 463 .003283569 3 A 60,394,461 0.9690 62,326,585 28 332 .003320531 4 A 60,326,287 0.9869 61,127,051 18 210 .002327847 5 B 5,747,737 0.9344 6,151,260 8 32 .000734237 6 B 5,385,887 0.9900 5,440,290 7 27 .000158902 7 B 5,938,180 1.0091 5,884,630 8 28 .000912651 8 D3 93,721,318 0.9631 97,312,136 25 2,041 .015593136 RANDOM TOTALS: 352,503,771 364,702,312 161 3,815 CATG D1 EXCEPTION VALUES: 3,270,810 2,860,048 CATG B EXCEPTION VALUES: 4,122,168 4,084,703 TOTAL TEST VALUES (4): 359,896,749 371,647,063 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 18,582,353 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 353,064,710 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 359,896,749 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 390,229,416 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 361,509,914 (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
