taxes Property Tax

School and Appraisal Districts Property Value Study 2012 Report

2012 Confidence Interval Detail
022/Brewster
022-902/Marathon ISD

Category Summary

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

Stratum
Variance
A 3,436,776 0.9510 3,613,855 15 119 .007167350
A 3,232,435 0.9802 3,297,730 15 63 .010595239
A 3,865,202 0.9575 4,036,764 15 46 .010444938
A 3,442,100 0.9950 3,459,397 15 23 .008639401
D3 10,138,310 0.9986 10,152,524 19 797 .000133975
Random Totals: 24,114,823   24,560,270 79 1,048  
Catg D1 Exception Values: 15,909,310   17,541,434      
Total Test Values (4): 40,024,133   42,101,704      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,105,085

Confidence Interval Values (5)

State Lower Limit: 39,996,619 (State Test Value minus Margin of Error Percent)
Local Test Value: 40,024,133 (Within Confidence Interval)
State Upper Limit: 44,206,789 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 65,252,717 (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