taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
030/Callahan
030-903/Baird ISD

Category Summary

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

Stratum
Variance
A 8,043,240 0.9328 8,622,684 14 304 .090586098
A 8,548,220 0.9495 9,002,865 10 169 .027824895
A 8,163,540 0.9449 8,639,581 12 102 .036404733
A 9,338,740 0.9811 9,518,642 10 63 .013105660
E 34,735,390 0.9918 35,022,575 29 494 .028467810
F1 1,522,470 0.9672 1,574,100 12 59 .034111279
F1 1,610,880 0.9403 1,713,155 7 15 .004372200
G1 1,623,232 1.0104 1,606,524 8 52 .045387372
G1 1,677,000 0.9777 1,715,250 5 10 .089009802
G1 1,532,313 1.0280 1,490,577 3 4 .082419434
Random Totals: 76,795,025   78,905,953 110 1,272  
Catg J Exception Values: 22,815,183   26,122,564      
Catg D1 Exception Values: 11,244,720   10,653,228      
Catg F1 Exception Values: 5,611,480   5,648,416      
Catg G1 Exception Values: 1,445,421   1,455,615      
Total Test Values (4): 117,911,829   122,785,776      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 6,139,289

Confidence Interval Values (5)

State Lower Limit: 116,646,487 (State Test Value minus Margin of Error Percent)
Local Test Value: 117,911,829 (Within Confidence Interval)
State Upper Limit: 128,925,065 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 143,538,605 (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