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2006 Confidence Interval Detail
114/Howard
114-902/Coahoma ISD

Category Summary

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

Stratum
Variance
A 12,920,074 0.9225 14,005,500 7 502 .223322293
A 12,861,144 0.9901 12,989,742 10 273 .008294880
A 12,908,217 0.9115 14,161,511 10 188 .019083546
A 12,844,431 1.0236 12,548,291 9 105 .011802107
G1 42,009,625 0.8581 48,956,561 7 98 .068461916
G1 43,849,066 1.0043 43,661,322 6 34 .012914922
G1 40,556,181 1.0283 39,440,028 5 13 .001441039
G1 41,505,911 1.0071 41,213,297 3 5 .003036400
Random Totals: 219,454,649   226,976,252 57 1,218  
Catg J Exception Values: 7,690,907   8,522,088      
Catg D1 Exception Values: 6,307,793   9,696,528      
Total Test Values (4): 233,453,349   245,194,868      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 12,259,743

Confidence Interval Values (5)

State Lower Limit: 232,935,125 (State Test Value minus Margin of Error Percent)
Local Test Value: 233,453,349 (Within Confidence Interval)
State Upper Limit: 257,454,611 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 266,525,369 (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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