taxes Property Tax Assistance

2020 Confidence Interval Detail

Castro County
140-907/Springlake-Earth ISD

Category Summary

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

Stratum
Variance
D2 2,356,480 0.9651 2,441,695 9 32 0.000795931
E 2,978,620 0.9533 3,124,536 15 52 0.006743207
Random Totals: 5,335,100 5,566,231 24 84
CATG D1 EXCEPTION VALUES: 9,267,576 4,047,359
Total Test Values 14,602,676 9,613,590

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 480,680

Confidence Interval Values(5)

Local Test Value: 14,602,676 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 9,132,910 (State Test Value minus Margin of Error Percent)
State Upper Limit: 10,094,270 (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