taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
091/Grayson
091-913/Pottsboro ISD

Category Summary

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

Stratum
Variance
A 117,989,864 0.9678 121,915,545 15 1,641 .046616491
A 113,406,667 0.8636 131,318,512 15 805 .041254437
A 128,358,634 0.9320 137,723,856 15 587 .012253922
A 120,356,915 0.9906 121,499,006 14 287 .043505845
E 73,565,707 0.9420 78,095,230 17 634 .027924489
F1 14,795,643 0.9475 15,615,454 9 116 .028305433
F1 15,082,513 0.9722 15,513,797 10 31 .004650014
F1 16,856,425 0.8532 19,756,710 7 12 .083154607
G1 12,020,763 0.9869 12,180,325 8 28 .007646460
G1 13,300,722 1.0782 12,336,043 7 13 .005958082
G1 12,777,405 1.0326 12,374,012 4 7 .022695239
G1 9,822,876 1.0397 9,447,798 2 3 .007393551
Random Totals: 648,334,134   687,776,288 123 4,164  
Catg D1 Exception Values: 2,185,452   1,692,165      
Catg F1 Exception Values: 17,616,149   17,774,322      
Total Test Values (4): 668,135,735   707,242,775      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 35,362,138

Confidence Interval Values (5)

Local Test Value: 668,135,735 (Outside Confidence Interval)
State Lower Limit: 671,880,637 (State Test Value minus Margin of Error Percent)
State Upper Limit: 742,604,913 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 729,430,427 (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