taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
005/Archer
252-903/Olney ISD

Category Summary

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

Stratum
Variance
A 1,166,690 0.4837 2,412,012 9 72 .038767757
A 1,087,870 0.5888 1,847,605 7 28 .041022214
A 1,008,470 0.7467 1,350,569 6 13 .092261587
A 1,334,340 0.9761 1,367,012 4 9 .010232245
G1 9,331,190 1.0523 8,867,424 8 52 .039077099
G1 9,124,428 1.0026 9,100,766 5 11 .045275279
G1 8,822,070 1.0182 8,664,378 4 7 .000174593
G1 8,612,170 1.0431 8,256,323 2 3 .009993840
Random Totals: 40,487,228   41,866,089 45 195  
Catg D1 Exception Values: 10,616,330   8,625,739      
Total Test Values (4): 51,103,558   50,491,828      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,524,591

Confidence Interval Values (5)

State Lower Limit: 47,967,237 (State Test Value minus Margin of Error Percent)
Local Test Value: 51,103,558 (Within Confidence Interval)
State Upper Limit: 53,016,419 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 70,558,678 (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