taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
157/Mason
157-901/Mason ISD

Category Summary

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

Stratum
Variance
A 29,130,720 0.9549 30,506,566 10 407 .044869265
A 27,125,630 0.9794 27,696,171 12 241 .021273550
A 27,410,800 0.9741 28,139,616 11 169 .024779220
A 23,430,820 0.9537 24,568,334 9 83 .017335951
E 128,853,590 0.9736 132,347,566 13 1,802 .025686865
F1 6,384,590 0.8538 7,477,852 9 89 .076901338
F1 6,577,340 0.9225 7,129,908 8 41 .026521926
F1 7,378,390 0.9113 8,096,554 7 26 .021784643
F1 5,141,570 0.9360 5,493,130 6 8 .018210634
Random Totals: 261,433,450   271,455,697 85 2,866  
Catg J Exception Values: 2,594,160   3,014,261      
Catg D1 Exception Values: 30,957,700   32,741,950      
Total Test Values (4): 294,985,310   307,211,908      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 15,360,595

Confidence Interval Values (5)

State Lower Limit: 291,851,313 (State Test Value minus Margin of Error Percent)
Local Test Value: 294,985,310 (Within Confidence Interval)
State Upper Limit: 322,572,503 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 302,735,075 (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