taxes Property Tax Assistance

2017 Confidence Interval Detail

138/Knox
138-902/Knox City-O'Brien CISD

Category Summary

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

Stratum
Variance
A 3,931,110 1.0334 3,804,055 15 177 .006640475
A 4,009,860 0.9743 4,115,632 15 116 .012703861
A 3,652,200 1.0051 3,633,668 15 71 .035826558
A 3,931,370 0.9983 3,938,065 15 48 .010231634
E 7,536,220 1.0396 7,249,154 20 157 .018957168
G1 8,676,817 1.0014 8,664,686 13 43 .037597650
L1 729,380 0.9875 738,613 9 27 .008941821
L1 787,020 1.0075 781,161 3 6 .012527208
Random Totals: 33,253,977   32,925,034 105 645  
Catg J Exception Values: 2,696,280   2,766,992      
Catg D1 Exception Values: 7,069,950   6,906,784      
Catg G1 Exception Values: 2,357,120   2,407,270      
Catg L1 Exception Values: 539,270   528,456      
Total Test Values (4): 45,916,597   45,534,536      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,276,726

Confidence Interval Values (5)

State Lower Limit: 43,257,810 (State Test Value minus Margin of Error Percent)
Local Test Value: 45,916,597 (Within Confidence Interval)
State Upper Limit: 47,811,262 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 63,834,350 (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