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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:25:38                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              249/Wise                                                  VRSN:      W
                                                        249-904/Chico ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               15,242,438        0.9659            15,780,555               8              272         .008361835
      2           A               15,112,815        1.0271            14,714,064               9              153         .009649236
      3           A               15,278,861        1.0080            15,157,600               9              101         .018064734
      4           A               15,076,336        1.0159            14,840,374               8               50         .013619455
      5           D3              57,816,980        1.0122            57,120,115              22            2,320         .030938266
      6           G1              10,496,693        1.0072            10,421,657               7              124         .002628483
      7           G1              10,600,167        0.9322            11,371,130               6               53         .022693385
      8           G1              10,453,853        0.9930            10,527,546               6               31         .000250286
      9           G1              10,342,610        1.0401             9,943,861               5               15         .002894202
  RANDOM TOTALS:                 160,420,753                         159,876,902              80            3,119
  CATG J  EXCEPTION VALUES:       11,729,650                          11,800,837
  CATG D1 EXCEPTION VALUES:        3,663,730                           3,405,919
 TOTAL TEST VALUES (4):          175,814,133                         175,083,658
 MARGIN OF ERROR PERCENT:          5.0000001
 MARGIN OF ERROR VALUE:            8,754,183
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            166,329,475 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             175,814,133 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            183,837,841 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             320,677,991 (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