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2006 Confidence Interval Detail
092/Gregg
092-904/Pine Tree ISD

Category Summary

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

Stratum
Variance
A 174,194,093 0.8940 194,847,979 53 2,292 .015284086
A 174,344,394 0.9540 182,750,937 58 1,572 .011370203
A 173,869,999 0.9587 181,360,174 56 1,112 .007129638
A 174,072,513 0.9555 182,179,501 54 656 .013011651
B 16,530,305 0.9444 17,503,500 13 254 .022195474
B 16,534,283 0.9078 18,213,575 14 186 .035557231
B 18,433,839 1.0253 17,978,971 11 63 .001652344
F1 32,845,608 1.0228 32,113,422 9 259 .035262592
F1 32,831,396 0.9785 33,552,781 7 101 .068081085
F1 33,806,174 0.9409 35,929,614 7 41 .024458510
F1 31,823,638 1.0600 30,022,300 5 14 .007085194
G1 35,621,051 1.0373 34,340,163 7 111 .021249904
G1 36,070,549 0.9994 36,092,204 6 50 .008522757
G1 35,529,962 1.0216 34,778,741 6 31 .004443975
G1 34,643,688 1.0316 33,582,482 5 18 .001944854
L1 31,059,994 1.1220 27,682,704 7 412 .028887476
L1 31,165,443 1.0009 31,137,419 7 104 .000354191
L1 31,126,540 1.0003 31,117,205 6 37 .033594458
L1 30,618,709 1.0353 29,574,721 5 13 .007073610
Random Totals: 1,145,122,178   1,184,758,393 336 7,326  
Catg J Exception Values: 28,072,053   31,322,777      
Catg D1 Exception Values: 761,550   710,098      
Catg B Exception Values: 15,456,950   16,254,012      
Total Test Values (4): 1,189,412,731   1,233,045,280      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 61,652,264

Confidence Interval Values (5)

State Lower Limit: 1,171,393,016 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,189,412,731 (Within Confidence Interval)
State Upper Limit: 1,294,697,544 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,417,724,607 (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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