taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
246/Williamson
014-902/Bartlett ISD

Category Summary

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

Stratum
Variance
A 4,127,591 0.8657 4,767,923 9 117 .025815782
A 5,105,555 0.8926 5,719,869 13 87 .025353517
A 5,347,948 0.9909 5,397,061 10 64 .066570778
A 6,029,318 0.9341 6,454,682 9 48 .008527052
E 5,128,793 0.9503 5,397,025 13 129 .007235388
F1 874,578 1.0883 803,618 7 23 .078682289
F1 1,065,959 1.0335 1,031,407 7 15 .060122977
F1 856,911 1.0328 829,697 3 4 .064578385
L1 1,931,289 1.0280 1,878,686 8 37 .004019173
Random Totals: 30,467,942   32,279,968 79 524  
Catg J Exception Values: 3,276,608   3,522,797      
Catg D1 Exception Values: 7,839,739   6,968,595      
Catg F1 Exception Values: 570,762   409,386      
Catg L1 Exception Values: 1,748,000   1,342,300      
Total Test Values (4): 43,903,051   44,523,046      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,226,152

Confidence Interval Values (5)

State Lower Limit: 42,296,894 (State Test Value minus Margin of Error Percent)
Local Test Value: 43,903,051 (Within Confidence Interval)
State Upper Limit: 46,749,198 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 46,480,711 (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