taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 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 1,296,220 0.8776 1,477,005 10 43 .042630474
A 1,200,160 0.7905 1,518,229 9 23 .008154886
A 1,299,780 0.8672 1,498,824 10 17 .027413712
A 1,362,140 1.0428 1,306,233 8 11 .011415933
E 7,295,280 0.8592 8,490,782 15 160 .059167209
Random Totals: 12,453,580   14,291,073 52 254  
Catg D1 Exception Values: 981,680   1,179,496      
Total Test Values (4): 13,435,260   15,470,569      

Margin of Error

Margin of Error Percent: 6.7429711
Margin of Error Value: 1,043,176

Confidence Interval Values (5)

Local Test Value: 13,435,260 (Outside Confidence Interval)
State Lower Limit: 14,427,393 (State Test Value minus Margin of Error Percent)
State Upper Limit: 16,513,745 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 11,966,206 (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