Holiday Hours
Quick Start for:

2007 Confidence Interval Detail
221/Taylor
221-901/Abilene ISD

Category Summary

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

Stratum
Variance
A 492,038,734 0.9537 515,926,113 7 10,940 .012939682
A 491,989,125 0.9828 500,599,435 11 5,812 .008383254
A 492,216,230 0.9753 504,681,872 16 4,115 .001207409
A 491,781,686 0.9893 497,100,663 26 2,331 .003538407
B 55,458,340 0.9816 56,497,901 12 523 .001498522
B 55,517,306 0.9863 56,288,458 6 27 .004422917
B 59,217,068 0.9742 60,785,330 4 12 .018185656
B 50,453,758 1.0444 48,308,845 3 5 .003711520
F1 196,558,705 0.9418 208,705,357 7 1,223 .003584115
F1 196,957,671 0.9471 207,958,685 8 268 .002968344
F1 198,068,857 1.0070 196,692,013 7 87 .030242815
F1 193,796,026 1.1177 173,388,231 6 24 .067679372
L1 141,268,893 0.9708 145,518,019 9 1,282 .005904072
L1 141,883,805 1.0103 140,437,301 12 238 .005383752
L1 142,403,289 0.9766 145,815,369 7 72 .003900858
L1 139,165,437 0.9905 140,500,189 5 17 .003061400
Random Totals: 3,538,774,930   3,599,203,781 146 26,976  
Catg D1 Exception Values: 1,569,310   1,457,040      
Total Test Values (4): 3,540,344,240   3,600,660,821      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 180,033,041

Confidence Interval Values (5)

State Lower Limit: 3,420,627,780 (State Test Value minus Margin of Error Percent)
Local Test Value: 3,540,344,240 (Within Confidence Interval)
State Upper Limit: 3,780,693,862 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 3,464,897,149 (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

Required Plug-ins