taxes Property Tax Assistance

2021 Confidence Interval Detail

Milam County
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 60,280,901 0.7537 79,979,967 16 904 0.126882074
A 59,008,650 0.8485 69,544,667 17 490 0.081518201
A 65,124,160 0.8728 74,615,215 22 389 0.061769602
A 67,272,040 0.9281 72,483,612 26 264 0.027392067
E 191,852,621 0.9009 212,956,622 22 1,227 0.082110593
F1 12,952,320 0.7715 16,788,490 15 130 0.151392769
F1 14,974,450 0.6892 21,727,293 15 47 0.139755941
F1 10,742,300 0.7001 15,343,951 10 11 0.131542462
Random Totals: 482,207,442 563,439,817 143 3,462
CATG D1 EXCEPTION VALUES: 12,388,479 9,747,033
CATG F1 EXCEPTION VALUES: 11,296,650 10,436,213
CATG J EXCEPTION VALUES: 11,572,703 12,071,537
Total Test Values 517,465,274 595,694,600

Margin of Error

Margin of Error Percent: 5.3456418
Margin of Error Value: 31,843,700

Confidence Interval Values(5)

Local Test Value: 517,465,274 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 563,850,900 (State Test Value minus Margin of Error Percent)
State Upper Limit: 627,538,300 (State Test Value plus Margin of Error Percent)

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