taxes Property Tax Assistance

2025 Confidence Interval Detail

Castro County
140-907/Springlake-Earth ISD

Category Summary

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

Stratum
Variance
E 0 6,204,790 0.9578 6,478,169 20 61 25,881,488,083
Random Totals: 6,204,790 6,478,169 20 61
CATG D1 EXCEPTION VALUES: 13,368,590 6,923,858
Total Test Values 19,573,380 13,402,027

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 670,101

Confidence Interval Values(5)

Local Test Value: 19,573,380 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 12,731,926 (State Test Value minus Margin of Error Percent)
State Upper Limit: 14,072,128 (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