taxes Property Tax Assistance

2018 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 10,389,140 0.8517 12,198,121 12 302 .080624582
A 10,375,170 0.9578 10,832,293 16 155 .041784906
A 10,522,870 0.8944 11,765,284 13 102 .032295347
A 9,685,160 0.9925 9,758,348 11 54 .012156612
E 46,744,750 0.9991 46,786,858 21 533 .088805299
Random Totals: 87,717,090   91,340,904 73 1,146  
Catg J Exception Values: 10,482,220   12,228,433      
Catg D1 Exception Values: 11,268,310   11,169,760      
Total Test Values (4): 109,467,620   114,739,097      

Margin of Error

Margin of Error Percent: 5.6370968
Margin of Error Value: 6,467,954

Confidence Interval Values (5)

State Lower Limit: 108,271,143 (State Test Value minus Margin of Error Percent)
Local Test Value: 109,467,620 (Within Confidence Interval)
State Upper Limit: 121,207,051 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 221,631,914 (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, D2, E, 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