taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
188/Potter
188-902/River Road ISD

Category Summary

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

Stratum
Variance
A 51,514,399 1.0094 51,034,673 13 679 .025475926
A 45,428,544 0.9493 47,854,781 23 410 .025676844
A 57,409,969 0.9798 58,593,559 14 428 .101020643
A 59,219,990 0.9646 61,393,313 10 315 .119437605
Random Totals: 213,572,902   218,876,326 60 1,832  
Catg J Exception Values: 4,381,790   4,438,441      
Catg D1 Exception Values: 2,725,275   2,325,916      
Total Test Values (4): 220,679,967   225,640,683      

Margin of Error

Margin of Error Percent: 7.6748695
Margin of Error Value: 17,317,628

Confidence Interval Values (5)

State Lower Limit: 208,323,055 (State Test Value minus Margin of Error Percent)
Local Test Value: 220,679,967 (Within Confidence Interval)
State Upper Limit: 242,958,311 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 246,280,094 (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