taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
091/Grayson
091-914/Sadler-Southmayd ISD

Category Summary

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

Stratum
Variance
A 39,796,029 0.9790 40,649,672 14 632 .011551361
A 40,281,205 0.9912 40,638,827 11 298 .003391669
A 39,967,450 0.9749 40,996,461 13 200 .001350154
A 41,500,697 0.9782 42,425,575 9 106 .022203446
E 61,661,290 0.9073 67,961,303 15 744 .059570100
G1 23,459,606 0.9563 24,531,639 9 44 .056930365
G1 23,731,387 1.0412 22,792,342 6 15 .009295256
G1 27,807,122 1.0257 27,110,385 4 8 .010140064
Random Totals: 298,204,786   307,106,204 81 2,047  
Catg D1 Exception Values: 5,861,873   4,813,524      
Catg G1 Exception Values: 16,971,892   16,151,674      
Total Test Values (4): 321,038,551   328,071,402      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 16,403,570

Confidence Interval Values (5)

State Lower Limit: 311,667,832 (State Test Value minus Margin of Error Percent)
Local Test Value: 321,038,551 (Within Confidence Interval)
State Upper Limit: 344,474,972 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 372,793,874 (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