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2007 Confidence Interval Detail
102/Harrison
102-902/Marshall ISD

Category Summary

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

Stratum
Variance
A 187,897,916 0.9713 193,449,929 34 4,044 .027508826
A 187,818,768 0.9906 189,601,018 39 2,047 .042156518
A 187,971,800 0.9969 188,556,325 36 1,348 .016157072
A 187,683,104 0.9915 189,292,087 20 809 .011738824
D3 113,978,950 1.0327 110,369,856 15 7,032 .097837625
F1 40,193,773 0.8092 49,671,000 8 402 .160786035
F1 40,070,913 0.9105 44,009,789 7 103 .005216042
F1 40,637,163 1.0162 39,989,336 6 39 .002824232
F1 38,970,767 0.7575 51,446,557 4 10 .137561571
G1 132,885,787 0.9831 135,170,163 7 286 .003119888
G1 132,724,183 0.9392 141,316,208 7 156 .026787617
G1 133,358,176 1.0146 131,439,164 7 99 .035144887
G1 131,619,279 1.2350 106,574,315 6 55 .070152674
L1 23,303,688 0.9903 23,531,948 7 411 .137450576
L1 23,472,375 0.9821 23,900,188 7 92 .000935487
L1 24,893,068 0.9834 25,313,268 7 26 .003014454
Random Totals: 1,627,479,710   1,643,631,151 217 16,959  
Catg J Exception Values: 262,747,875   236,404,766      
Catg D1 Exception Values: 12,768,790   14,186,824      
Catg L1 Exception Values: 13,648,190   13,475,244      
Total Test Values (4): 1,916,644,565   1,907,697,985      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 95,384,899

Confidence Interval Values (5)

State Lower Limit: 1,812,313,086 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,916,644,565 (Within Confidence Interval)
State Upper Limit: 2,003,082,884 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,565,430,343 (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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