taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
166/Milam
166-901/Cameron ISD

Category Summary

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

Stratum
Variance
A 23,570,670 0.6750 34,919,511 10 786 .153195710
A 28,831,330 0.9011 31,995,705 10 517 .041649578
A 29,471,923 0.8064 36,547,524 10 336 .020758758
A 29,393,690 0.7316 40,177,269 10 191 .034164350
E 78,825,871 0.9289 84,859,372 12 1,426 .244601868
F1 9,143,601 0.9477 9,648,202 9 177 .006903173
F1 9,893,460 1.0443 9,473,772 9 48 .020024558
F1 8,964,310 0.9805 9,142,591 6 15 .001068090
F1 10,101,060 0.9801 10,306,152 3 5 .000360807
Random Totals: 228,195,915   267,070,098 79 3,501  
Catg J Exception Values: 1,889,503   1,936,768      
Catg D1 Exception Values: 22,801,022   27,122,758      
Total Test Values (4): 252,886,440   296,129,624      

Margin of Error

Margin of Error Percent: 8.9229475
Margin of Error Value: 26,423,491

Confidence Interval Values (5)

Local Test Value: 252,886,440 (Outside Confidence Interval)
State Lower Limit: 269,706,133 (State Test Value minus Margin of Error Percent)
State Upper Limit: 322,553,115 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 311,608,957 (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