taxes Property Tax Assistance

2017 Confidence Interval Detail

166/Milam
014-902/Bartlett ISD

Category Summary

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

Stratum
Variance
A 1,539,890 0.9212 1,671,613 15 42 .008736969
A 1,495,620 0.9322 1,604,398 12 21 .026391330
A 1,478,390 0.9875 1,497,104 10 14 .008503806
A 2,057,070 1.0388 1,980,237 7 13 .009586025
E 9,398,900 0.9243 10,168,668 19 127 .020013942
Random Totals: 15,969,870   16,922,020 63 217  
Catg D1 Exception Values: 1,292,570   1,185,707      
Total Test Values (4): 17,262,440   18,107,727      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 905,386

Confidence Interval Values (5)

State Lower Limit: 17,202,341 (State Test Value minus Margin of Error Percent)
Local Test Value: 17,262,440 (Within Confidence Interval)
State Upper Limit: 19,013,113 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 14,997,647 (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