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2011 Confidence Interval Detail
138/Knox
138-903/Munday ISD

Category Summary

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

Stratum
Variance
A 3,568,490 1.0080 3,540,169 9 243 .048340866
A 3,716,360 1.0306 3,606,016 9 145 .012242606
A 3,966,180 0.8958 4,427,528 10 105 .090722388
A 5,265,310 0.9955 5,289,111 10 83 .166813520
D3 4,447,880 0.6618 6,720,882 26 1,262 .015032534
L1 1,057,235 0.8723 1,212,008 9 38 .039649678
L1 1,107,810 1.0420 1,063,157 6 11 .015267937
Random Totals: 23,129,265   25,858,871 79 1,887  
Catg J Exception Values: 3,706,560   3,762,257      
Catg D1 Exception Values: 16,283,640   15,713,926      
Catg L1 Exception Values: 2,882,834   3,031,140      
Total Test Values (4): 46,002,299   48,366,194      

Margin of Error

Margin of Error Percent: 5.0000006
Margin of Error Value: 2,418,310

Confidence Interval Values (5)

State Lower Limit: 45,947,884 (State Test Value minus Margin of Error Percent)
Local Test Value: 46,002,299 (Within Confidence Interval)
State Upper Limit: 50,784,504 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 47,814,445 (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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