taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
091/Grayson
091-910/Whitewright ISD

Category Summary

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

Stratum
Variance
A 16,110,534 0.9623 16,741,696 15 382 .037197750
A 16,320,158 0.9556 17,078,441 16 224 .013830919
A 17,230,881 0.9113 18,908,023 15 152 .014997481
A 19,612,026 0.9594 20,441,970 15 86 .007230699
E 45,987,187 0.9613 47,838,538 18 482 .012986078
F1 2,789,968 0.9286 3,004,488 10 44 .004318692
F1 2,400,687 0.8857 2,710,497 6 13 .067958591
F1 2,993,673 0.9181 3,260,727 6 7 .007104017
L1 1,039,301 1.0081 1,030,950 7 25 .009911677
L1 1,005,133 1.0511 956,268 4 8 .008061958
Random Totals: 125,489,548   131,971,598 112 1,423  
Catg J Exception Values: 8,940,800   9,600,157      
Catg D1 Exception Values: 2,707,993   2,351,868      
Catg F1 Exception Values: 2,384,391   2,467,011      
Catg L1 Exception Values: 5,509,959   5,297,045      
Total Test Values (4): 145,032,691   151,687,679      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 7,584,383

Confidence Interval Values (5)

State Lower Limit: 144,103,296 (State Test Value minus Margin of Error Percent)
Local Test Value: 145,032,691 (Within Confidence Interval)
State Upper Limit: 159,272,062 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 143,549,382 (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