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2011 Confidence Interval Detail
076/Fisher
076-903/Roby ISD

Category Summary

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

Stratum
Variance
A 1,071,640 0.9162 1,169,657 12 75 .021319816
A 1,320,700 0.8489 1,555,778 11 53 .038627107
A 2,232,970 0.9241 2,416,373 18 59 .024454897
A 1,459,730 0.9242 1,579,452 13 25 .013037856
D3 16,180,758 0.8128 19,907,429 23 1,995 .017664406
G1 4,160,050 1.0251 4,058,189 6 18 .010173180
G1 3,897,500 1.0173 3,831,220 3 4 .000021440
Random Totals: 30,323,348   34,518,098 86 2,229  
Catg J Exception Values: 2,626,725   2,578,779      
Catg D1 Exception Values: 19,274,960   17,659,488      
Catg G1 Exception Values: 15,258,245   15,143,911      
Total Test Values (4): 67,483,278   69,900,276      

Margin of Error

Margin of Error Percent: 5.0000003
Margin of Error Value: 3,495,014

Confidence Interval Values (5)

State Lower Limit: 66,405,262 (State Test Value minus Margin of Error Percent)
Local Test Value: 67,483,278 (Within Confidence Interval)
State Upper Limit: 73,395,290 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 78,016,204 (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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