taxes Property Tax

School and Appraisal Districts Property Value Study 2012 Report

2012 Confidence Interval Detail
176/Newton
176-902/Newton ISD

Category Summary

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

Stratum
Variance
A 23,210,313 0.9808 23,664,675 10 736 .010888586
A 25,186,283 0.9896 25,450,973 10 404 .005891105
A 25,387,507 1.0053 25,253,663 10 271 .004123776
A 25,082,697 0.9636 26,030,196 9 152 .013045611
D3 65,775,588 1.0176 64,637,960 15 4,106 .013100232
G1 82,187,691 1.0021 82,015,459 12 50 .008316870
Random Totals: 246,830,079   247,052,926 66 5,719  
Catg D1 Exception Values: 32,358,894   33,084,398      
Total Test Values (4): 279,188,973   280,137,324      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 14,006,866

Confidence Interval Values (5)

State Lower Limit: 266,130,458 (State Test Value minus Margin of Error Percent)
Local Test Value: 279,188,973 (Within Confidence Interval)
State Upper Limit: 294,144,190 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 289,874,586 (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