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2009 Confidence Interval Detail
129/Kaufman
129-906/Terrell ISD

Category Summary

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

Stratum
Variance
A 152,007,904 0.8442 180,061,483 19 2,502 .142203098
A 132,782,243 0.9772 135,880,314 22 1,432 .036673809
A 127,887,950 0.9607 133,119,548 22 1,008 .011993052
A 136,776,110 0.9923 137,837,458 17 641 .001558270
D3 111,185,923 1.0159 109,445,736 22 3,527 .071405427
F1 48,758,020 0.9799 49,758,159 8 264 .001519232
F1 52,718,530 0.7139 73,845,819 8 90 .271589721
F1 42,285,280 1.0291 41,089,573 9 29 .014656713
F1 46,730,620 0.9665 48,350,357 5 10 .001791349
L1 32,857,290 1.0116 32,480,516 8 360 .004459027
L1 36,788,900 0.9858 37,318,827 6 63 .005566838
L1 33,001,900 0.9852 33,497,665 5 8 .001277338
Random Totals: 953,780,670   1,012,685,455 151 9,934  
Catg D1 Exception Values: 9,110,930   5,560,389      
Catg L1 Exception Values: 30,666,020   18,074,458      
Total Test Values (4): 993,557,620   1,036,320,302      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 51,816,015

Confidence Interval Values (5)

State Lower Limit: 984,504,287 (State Test Value minus Margin of Error Percent)
Local Test Value: 993,557,620 (Within Confidence Interval)
State Upper Limit: 1,088,136,317 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,344,413,462 (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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