taxes Property Tax

School and Appraisal Districts Property Value Study 2012 Report

2012 Confidence Interval Detail
043/Collin
043-905/Frisco ISD

Category Summary

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

Stratum
Variance
A 1,871,996,904 0.9813 1,907,670,339 10 11,241 .001272176
A 1,918,251,854 0.9994 1,919,403,496 10 8,907 .003419460
A 1,931,311,185 1.0244 1,885,309,630 10 6,782 .000610182
A 2,001,053,411 1.0320 1,939,005,243 10 3,385 .006369592
B 248,737,241 0.8776 283,428,944 13 229 .005063840
B 235,548,017 0.8844 266,336,519 6 10 .042198517
B 245,902,873 0.7591 323,940,025 6 9 .006295340
F1 702,239,529 0.9353 750,817,416 12 362 .012409029
F1 695,600,485 1.0161 684,578,767 11 86 .007368464
F1 713,028,043 0.9589 743,589,575 9 33 .054424756
F1 728,526,805 0.9800 743,394,699 5 10 .001094338
L1 171,184,323 1.0033 170,621,273 10 1,061 .009538583
L1 158,657,594 0.9784 162,160,256 9 167 .009237500
L1 170,711,409 1.0113 168,803,925 8 37 .000742801
L1 155,568,068 1.1714 132,805,248 5 10 .019716338
Random Totals: 11,948,317,741   12,081,865,355 134 32,329  
Catg D1 Exception Values: 1,612,531   1,451,455      
Catg B Exception Values: 331,463,425   371,543,573      
Total Test Values (4): 12,281,393,697   12,454,860,383      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 622,743,019

Confidence Interval Values (5)

State Lower Limit: 11,832,117,364 (State Test Value minus Margin of Error Percent)
Local Test Value: 12,281,393,697 (Within Confidence Interval)
State Upper Limit: 13,077,603,402 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 12,457,199,684 (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