taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
043/Collin
043-914/Wylie ISD

Category Summary

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

Stratum
Variance
A 536,617,055 0.9459 567,308,442 100 4,120 .009529644
A 770,977,170 0.9473 813,868,014 100 4,714 .010546903
A 827,876,779 0.9639 858,882,435 100 3,983 .007251072
A 981,626,090 0.9734 1,008,450,884 100 3,324 .006134724
F1 61,816,231 0.9418 65,636,261 10 109 .023919435
F1 66,354,026 0.8947 74,163,436 11 36 .052582169
F1 73,882,972 0.8906 82,958,648 7 17 .041366108
F1 69,165,147 0.9542 72,484,958 4 6 .002011622
L1 37,796,766 1.0254 36,860,509 10 243 .006773535
L1 32,543,027 1.0038 32,419,832 8 35 .003527402
L1 52,677,878 1.0098 52,166,645 4 10 .000435765
L1 73,827,679 0.9756 75,674,128 3 4 .000444859
Random Totals: 3,585,160,820   3,740,874,192 457 16,601  
Catg D1 Exception Values: 676,844   543,267      
Total Test Values (4): 3,585,837,664   3,741,417,459      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 187,070,873

Confidence Interval Values (5)

State Lower Limit: 3,554,346,586 (State Test Value minus Margin of Error Percent)
Local Test Value: 3,585,837,664 (Within Confidence Interval)
State Upper Limit: 3,928,488,332 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 3,847,140,905 (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