taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
212/Smith
212-910/Winona ISD

Category Summary

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

Stratum
Variance
A 20,697,669 1.0074 20,545,631 8 518 .004625245
A 20,242,382 1.0097 20,047,917 9 307 .000642482
A 22,127,443 0.9486 23,326,421 8 229 .008135051
A 23,876,972 1.0282 23,222,109 7 147 .000572939
E 83,147,198 1.0549 78,819,981 10 1,008 .037211771
F1 9,084,990 0.9713 9,353,434 8 49 .011148067
F1 9,249,984 0.9505 9,731,703 6 17 .007556353
F1 8,317,319 1.0051 8,275,116 4 7 .000623859
F1 7,457,608 1.0292 7,246,024 2 3 .000996401
G1 49,638,254 0.9884 50,220,815 8 47 .166494029
L1 16,044,566 0.9513 16,865,937 8 32 .008758514
L1 20,628,809 1.0038 20,550,716 4 9 .001969607
Random Totals: 290,513,194   288,205,804 82 2,373  
Catg J Exception Values: 5,033,331   5,131,330      
Catg D1 Exception Values: 7,927,148   6,065,737      
Catg L1 Exception Values: 18,108,179   17,639,847      
Total Test Values (4): 321,581,852   317,042,718      

Margin of Error

Margin of Error Percent: 5.1692129
Margin of Error Value: 16,388,613

Confidence Interval Values (5)

State Lower Limit: 300,654,105 (State Test Value minus Margin of Error Percent)
Local Test Value: 321,581,852 (Within Confidence Interval)
State Upper Limit: 333,431,331 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 375,851,272 (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