taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
034/Cass
034-902/Avinger ISD

Category Summary

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

Stratum
Variance
A 8,663,050 1.1929 7,262,176 7 137 .101377857
A 8,780,670 0.9751 9,004,892 8 72 .006819011
A 8,396,660 0.9677 8,676,925 7 44 .003758758
A 9,820,310 0.9703 10,120,901 8 33 .010507616
E 15,791,134 0.9972 15,835,473 12 353 .020292118
Random Totals: 51,451,824   50,900,367 42 639  
Catg J Exception Values: 57,850   63,186      
Catg D1 Exception Values: 3,718,866   4,012,687      
Total Test Values (4): 55,228,540   54,976,240      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,748,812

Confidence Interval Values (5)

State Lower Limit: 52,227,428 (State Test Value minus Margin of Error Percent)
Local Test Value: 55,228,540 (Within Confidence Interval)
State Upper Limit: 57,725,052 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 53,642,108 (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