Filing Deadline Extended
Quick Start for:

2006 Confidence Interval Detail
126/Johnson
126-901/Alvarado ISD

Category Summary

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

Stratum
Variance
A 94,776,177 1.0260 92,374,442 25 1,602 .043914347
A 95,059,064 0.9560 99,434,167 23 1,008 .023166974
A 94,502,887 0.9868 95,767,012 21 763 .014247773
A 94,761,039 0.9222 102,755,410 17 449 .037753276
C 8,010,161 1.0465 7,654,239 10 661 .181948876
C 7,964,217 1.0251 7,769,210 10 381 .051840668
C 7,973,963 1.0647 7,489,399 10 274 .097575794
C 7,942,615 1.1560 6,870,774 7 121 .032027780
D3 106,464,184 0.9618 110,692,643 19 2,104 .046314257
F1 11,343,325 0.6787 16,713,312 12 111 .517587611
F1 11,552,155 0.8832 13,079,886 10 47 .067723863
F1 11,656,998 0.8224 14,174,365 8 23 .042489455
F1 10,726,957 1.1569 9,272,156 4 7 .047687921
Random Totals: 562,733,742   584,047,015 176 7,551  
Catg J Exception Values: 20,129,059   19,897,919      
Catg D1 Exception Values: 4,222,699   4,531,782      
Total Test Values (4): 587,085,500   608,476,716      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 30,423,836

Confidence Interval Values (5)

State Lower Limit: 578,052,880 (State Test Value minus Margin of Error Percent)
Local Test Value: 587,085,500 (Within Confidence Interval)
State Upper Limit: 638,900,552 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 675,301,320 (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