taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
091/Grayson
091-903/Denison ISD

Category Summary

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

Stratum
Variance
A 187,399,529 1.0003 187,343,326 43 4,009 .009352783
A 197,174,540 0.9957 198,026,052 41 2,279 .003084141
A 177,428,555 0.9967 178,016,008 27 1,311 .001882145
A 200,866,412 1.0084 199,193,189 15 745 .006145599
F1 56,385,311 0.9107 61,914,254 17 398 .028808162
F1 53,999,343 0.8558 63,098,087 17 91 .308940615
F1 62,238,471 0.9012 69,061,774 13 29 .017147745
F1 51,759,568 0.9852 52,537,117 4 5 .000566800
L1 20,908,429 1.0346 20,209,191 11 390 .003094196
L1 18,392,539 1.0724 17,150,820 9 70 .007062016
L1 20,953,155 1.0290 20,362,638 7 27 .004807345
L1 19,555,410 1.0958 17,845,784 3 5 .001561586
Random Totals: 1,067,061,262   1,084,758,240 207 9,359  
Catg D1 Exception Values: 2,418,205   1,851,240      
Catg F1 Exception Values: 104,837,745   101,512,546      
Total Test Values (4): 1,174,317,212   1,188,122,026      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 59,406,101

Confidence Interval Values (5)

State Lower Limit: 1,128,715,925 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,174,317,212 (Within Confidence Interval)
State Upper Limit: 1,247,528,127 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,355,945,727 (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