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2009 Confidence Interval Detail
249/Wise
249-904/Chico ISD

Category Summary

(1)
Category
(1)
Local
Value
(1)
Stratum
Ratio
(1)
State
Value
(2)
Sample
Size
(3)
Total
Parcels

Stratum
Variance
A 21,330,850 0.9997 21,337,251 12 316 .010284954
A 20,132,390 0.9902 20,331,640 15 166 .009072673
A 23,097,010 1.0192 22,661,901 12 118 .021495020
A 32,064,860 0.9982 32,122,681 17 84 .007921324
C 10,055,110 0.9080 11,073,910 8 289 .063095403
C 13,237,660 1.0549 12,548,734 8 121 .030006340
C 11,281,780 0.8791 12,833,330 11 66 .022587026
C 4,272,030 0.9604 4,448,178 6 19 .031281479
D3 74,520,180 0.8794 84,739,800 23 2,367 .095060524
G1 16,837,263 0.9979 16,872,696 9 136 .018956875
G1 16,772,661 0.9626 17,424,331 7 51 .001673968
G1 17,574,441 1.0038 17,507,911 7 24 .001969821
G1 15,399,310 0.9902 15,551,717 3 5 .002369868
Random Totals: 276,575,545   289,454,080 138 3,762  
Catg J Exception Values: 17,268,770   17,286,393      
Catg D1 Exception Values: 3,506,740   3,431,007      
Total Test Values (4): 297,351,055   310,171,480      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 15,508,574

Confidence Interval Values (5)

State Lower Limit: 294,662,906 (State Test Value minus Margin of Error Percent)
Local Test Value: 297,351,055 (Within Confidence Interval)
State Upper Limit: 325,680,054 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 518,510,372 (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
(6) Includes local value of unstudied property categories and sub-categories

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