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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:41:33                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              043/Collin                                                VRSN:      W
                                                        043-919/Lovejoy ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A              224,653,680        0.9793           229,402,308              82              904         .003212644
      2           A              224,577,834        0.9936           226,024,390              74              667         .007791621
      3           A              224,418,994        0.9812           228,718,909              50              499         .016376527
      4           A              224,188,709        0.9912           226,179,085              27              314         .001571464
  RANDOM TOTALS:                 897,839,217                         910,324,692             233            2,384
  CATG D1 EXCEPTION VALUES:          332,524                             289,465
 TOTAL TEST VALUES (4):          898,171,741                         910,614,157
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           45,530,708
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            865,083,449 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             898,171,741 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            956,144,865 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             993,791,824 (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