taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 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 35,650,784 0.7556 47,182,086 8 997 .036474643
A 37,681,553 0.9885 38,119,932 10 526 .030973846
A 38,398,340 0.8766 43,803,719 10 345 .063256163
A 52,648,780 0.9371 56,182,670 10 296 .016561337
E 89,990,481 0.9240 97,392,295 14 1,279 .049270471
F1 10,839,310 0.9094 11,919,188 9 146 .005634422
F1 10,874,350 0.9668 11,247,776 9 44 .000666898
F1 14,126,890 0.9586 14,737,002 7 19 .001077861
F1 9,646,460 1.0257 9,404,758 3 4 .000022716
G1 4,529,312 0.9902 4,574,139 8 43 .021542539
G1 4,782,675 1.0270 4,656,938 6 14 .042439836
G1 5,890,424 1.0248 5,747,877 4 6 .011317682
L1 5,293,000 0.9761 5,422,600 10 149 .012536459
L1 4,313,950 0.9141 4,719,341 8 22 .023731162
L1 3,496,330 0.9644 3,625,394 4 4 .002955831
Random Totals: 328,162,639   358,735,715 120 3,894  
Catg J Exception Values: 9,834,681   10,030,200      
Catg D1 Exception Values: 10,154,702   12,297,185      
Catg G1 Exception Values: 2,627,613   2,589,372      
Catg L1 Exception Values: 3,972,870   3,937,128      
Total Test Values (4): 354,752,505   387,589,600      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 19,379,480

Confidence Interval Values (5)

Local Test Value: 354,752,505 (Outside Confidence Interval)
State Lower Limit: 368,210,120 (State Test Value minus Margin of Error Percent)
State Upper Limit: 406,969,080 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 877,276,031 (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