taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
221/Taylor
221-912/Wylie ISD

Category Summary

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

Stratum
Variance
A 262,841,164 0.9473 277,463,490 75 2,092 .001768835
A 290,193,884 0.9721 298,522,666 74 1,599 .002959826
A 312,674,518 0.9708 322,079,232 74 1,317 .001957394
A 342,784,588 0.9894 346,457,033 72 893 .001961486
E 190,439,176 0.9863 193,084,433 16 1,365 .003836206
F1 31,025,429 0.9615 32,267,737 9 87 .006924193
F1 36,235,154 0.9833 36,850,558 7 23 .000591217
F1 25,174,370 0.9931 25,349,280 3 5 .000101209
F1 52,674,227 0.9762 53,958,438 2 5 .000016660
L1 21,454,362 1.0475 20,481,491 9 124 .005746680
L1 18,555,756 0.9860 18,819,225 7 21 .005628613
Random Totals: 1,584,052,628   1,625,333,583 348 7,531  
Catg D1 Exception Values: 6,055,542   5,969,071      
Catg F1 Exception Values: 40,296,136   40,329,326      
Catg L1 Exception Values: 26,361,737   27,058,274      
Total Test Values (4): 1,656,766,043   1,698,690,254      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 84,934,512

Confidence Interval Values (5)

State Lower Limit: 1,613,755,742 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,656,766,043 (Within Confidence Interval)
State Upper Limit: 1,783,624,766 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,656,044,343 (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