taxes Property Tax Assistance

2017 Confidence Interval Detail

035/Castro
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 2,439,520 1.0030 2,432,223 15 40 .008813020
E 2,524,660 0.9494 2,659,216 20 54 .042316430
Random Totals: 4,964,180   5,091,439 35 94  
Catg J Exception Values: 1,445,040   1,897,356      
Catg D1 Exception Values: 9,079,970   7,243,135      
Total Test Values (4): 15,489,190   14,231,930      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 711,596

Confidence Interval Values (5)

State Lower Limit: 13,520,334 (State Test Value minus Margin of Error Percent)
State Upper Limit: 14,943,526 (State Test Value plus Margin of Error Percent)
Local Test Value: 15,489,190 (Outside Confidence Interval)
Value Assigned (6): 26,861,397 (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