taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
238/Ward
238-904/Grandfalls-Royalty ISD

Category Summary

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

Stratum
Variance
G1 28,485,810 0.9693 29,388,022 15 72 .068660775
G1 30,174,089 1.0497 28,745,441 10 20 .012795404
G1 31,355,340 1.0466 29,959,239 5 6 .009188436
Random Totals: 90,015,239   88,092,702 30 98  
Catg J Exception Values: 5,357,100   5,522,083      
Catg D1 Exception Values: 371,440   718,069      
Catg G1 Exception Values: 22,944,550   23,248,976      
Total Test Values (4): 118,688,329   117,581,830      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 5,879,091

Confidence Interval Values (5)

State Lower Limit: 111,702,739 (State Test Value minus Margin of Error Percent)
Local Test Value: 118,688,329 (Within Confidence Interval)
State Upper Limit: 123,460,921 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 160,520,860 (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