taxes Property Tax

School and Appraisal Districts Property Value Study 2012 Report

2012 Confidence Interval Detail
043/Collin
043-904/Farmersville ISD

Category Summary

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

Stratum
Variance
A 45,000,922 1.0241 43,941,922 10 807 .007382128
A 43,751,389 0.9742 44,910,069 10 466 .019580020
A 40,945,622 1.0177 40,233,489 10 301 .008150073
A 48,727,741 1.0500 46,407,372 9 216 .004361978
D3 71,276,926 0.8312 85,751,836 15 2,237 .038062788
F1 5,356,830 1.0200 5,251,794 10 52 .017089898
F1 6,424,421 0.9066 7,086,280 9 24 .018583985
F1 5,305,827 0.9753 5,440,200 6 8 .006798781
Random Totals: 266,789,678   279,022,962 79 4,111  
Catg J Exception Values: 13,294,385   15,295,110      
Catg D1 Exception Values: 4,201,720   3,167,619      
Catg F1 Exception Values: 6,483,089   6,826,239      
Total Test Values (4): 290,768,872   304,311,930      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 15,215,597

Confidence Interval Values (5)

State Lower Limit: 289,096,333 (State Test Value minus Margin of Error Percent)
Local Test Value: 290,768,872 (Within Confidence Interval)
State Upper Limit: 319,527,527 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 327,531,634 (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