taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
091/Grayson
091-909/Whitesboro ISD

Category Summary

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

Stratum
Variance
A 64,678,452 0.9780 66,133,387 31 1,390 .025125507
A 63,039,442 0.9766 64,549,910 31 712 .005255258
A 65,325,125 0.9827 66,475,145 19 474 .003318983
A 66,117,117 0.9555 69,196,355 17 246 .002925159
C1 11,810,468 0.9984 11,829,395 9 442 .030700255
C1 14,005,937 0.9604 14,583,441 10 339 .028657844
C1 17,377,118 0.9890 17,570,392 11 249 .011137863
C1 14,247,184 1.3408 10,625,883 6 75 .120810020
E 107,506,757 0.8648 124,314,011 25 972 .083195012
F1 14,038,526 0.9069 15,479,685 9 104 .039441022
F1 14,458,141 0.9480 15,251,204 10 34 .009647742
F1 16,865,109 0.9500 17,752,746 9 21 .021829172
F1 13,512,866 0.8976 15,054,441 4 5 .014834150
G1 10,921,844 0.9614 11,360,354 8 44 .120614556
G1 10,377,595 0.9844 10,542,051 6 15 .016360101
G1 14,812,995 1.0433 14,198,212 4 7 .017261069
Random Totals: 519,094,676   544,916,612 209 5,129  
Catg D1 Exception Values: 4,119,696   3,264,569      
Catg G1 Exception Values: 5,973,240   5,813,734      
Total Test Values (4): 529,187,612   553,994,915      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 27,699,745

Confidence Interval Values (5)

State Lower Limit: 526,295,170 (State Test Value minus Margin of Error Percent)
Local Test Value: 529,187,612 (Within Confidence Interval)
State Upper Limit: 581,694,660 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 577,095,048 (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