taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
127/Jones
127-906/Stamford ISD

Category Summary

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

Stratum
Variance
A 10,787,860 0.8470 12,736,553 12 516 .040854560
A 10,596,390 0.8859 11,961,158 11 267 .015239300
A 10,629,610 0.9222 11,526,361 11 156 .015110540
A 10,654,800 1.0035 10,617,638 10 89 .008865195
E 9,449,640 0.9404 10,048,533 14 202 .013080291
F1 1,913,270 0.7208 2,654,370 9 76 .162139808
F1 1,807,140 0.9450 1,912,317 7 26 .001798348
F1 1,908,700 0.9113 2,094,480 6 14 .009083870
F1 1,873,350 0.7910 2,368,331 3 5 .003346714
Random Totals: 59,620,760   65,919,741 83 1,351  
Catg J Exception Values: 2,956,440   3,067,932      
Catg D1 Exception Values: 3,789,580   4,149,438      
Total Test Values (4): 66,366,780   73,137,111      

Margin of Error

Margin of Error Percent: 5.0000006
Margin of Error Value: 3,656,856

Confidence Interval Values (5)

Local Test Value: 66,366,780 (Outside Confidence Interval)
State Lower Limit: 69,480,255 (State Test Value minus Margin of Error Percent)
State Upper Limit: 76,793,967 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 81,207,777 (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