DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:57:03 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 113/Houston VRSN: W 113-903/Lovelady ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 4,648,047 0.9251 5,024,373 8 175 .022625996 2 A 4,561,592 0.9943 4,587,742 8 98 .028664702 3 A 4,587,921 0.7816 5,869,909 7 67 .150266993 4 A 4,543,661 0.8857 5,130,023 7 40 .084228745 5 D3 45,899,800 0.9270 49,514,347 25 3,708 .027268584 6 G1 11,871,900 0.9940 11,943,561 5 16 .001045964 7 G1 11,822,550 1.0211 11,578,249 4 7 .011028433 8 G1 11,803,410 1.1149 10,586,967 2 3 .005700397 RANDOM TOTALS: 99,738,881 104,235,171 66 4,114 CATG J EXCEPTION VALUES: 7,385,125 7,508,283 CATG D1 EXCEPTION VALUES: 25,549,530 23,183,851 CATG G1 EXCEPTION VALUES: 9,420,820 9,848,089 TOTAL TEST VALUES (4): 142,094,356 144,775,394 MARGIN OF ERROR PERCENT: 5.0000002 MARGIN OF ERROR VALUE: 7,238,770 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 137,536,624 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 142,094,356 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 152,014,164 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 147,476,794 (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
