taxes Property Tax Assistance

2017 Confidence Interval Detail

166/Milam
166-904/Rockdale ISD

Category Summary

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

Stratum
Variance
A 45,276,239 0.6992 64,754,346 17 1,005 .029618884
A 45,819,640 0.8597 53,297,243 15 514 .094969185
A 47,011,270 0.8096 58,067,280 15 346 .066908877
A 41,512,370 0.9328 44,502,970 15 203 .006702728
E 108,038,643 0.9353 115,512,288 21 1,256 .046755736
F1 11,370,840 1.0439 10,892,653 9 138 .009585827
F1 11,340,120 0.9388 12,079,378 8 41 .092759639
F1 12,467,880 1.0690 11,663,124 6 16 .004595369
F1 11,016,530 0.9434 11,677,475 3 5 .014803748
L1 6,931,670 0.8870 7,814,735 9 124 .038303114
L1 5,994,530 0.9424 6,360,919 7 15 .011639703
L1 9,383,300 0.9681 9,692,490 4 4 .002525241
Random Totals: 356,163,032   406,314,901 129 3,667  
Catg J Exception Values: 11,030,162   10,010,707      
Catg D1 Exception Values: 13,742,092   12,691,921      
Total Test Values (4): 380,935,286   429,017,529      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 21,450,876

Confidence Interval Values (5)

Local Test Value: 380,935,286 (Outside Confidence Interval)
State Lower Limit: 407,566,653 (State Test Value minus Margin of Error Percent)
State Upper Limit: 450,468,405 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 706,444,975 (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