taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
039/Clay
039-903/Petrolia ISD

Category Summary

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

Stratum
Variance
A 15,777,990 0.8633 18,276,370 8 392 .020727242
A 16,618,120 0.9962 16,681,510 11 216 .006189168
A 16,030,220 0.9145 17,528,945 11 128 .009404084
A 17,294,480 0.9605 18,005,705 11 88 .012533702
E 26,289,690 0.9583 27,433,674 15 380 .023517778
Random Totals: 92,010,500   97,926,204 56 1,204  
Catg J Exception Values: 12,092,120   12,301,647      
Catg D1 Exception Values: 13,641,830   12,668,865      
Total Test Values (4): 117,744,450   122,896,716      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 6,144,835

Confidence Interval Values (5)

State Lower Limit: 116,751,881 (State Test Value minus Margin of Error Percent)
Local Test Value: 117,744,450 (Within Confidence Interval)
State Upper Limit: 129,041,551 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 131,245,984 (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