taxes Property Tax Assistance

2017 Confidence Interval Detail

044/Collingsworth
044-902/Wellington ISD

Category Summary

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

Stratum
Variance
A 9,894,510 0.8714 11,354,728 11 439 .012950346
A 9,934,400 0.8846 11,230,387 11 198 .009047558
A 9,773,720 0.9258 10,557,053 11 113 .025723311
A 9,069,980 1.0347 8,765,807 11 61 .013881712
E 17,197,170 0.9808 17,533,819 17 719 .055617407
Random Totals: 55,869,780   59,441,794 61 1,530  
Catg J Exception Values: 14,717,090   16,979,129      
Catg D1 Exception Values: 33,247,000   33,505,337      
Total Test Values (4): 103,833,870   109,926,260      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 5,496,313

Confidence Interval Values (5)

Local Test Value: 103,833,870 (Outside Confidence Interval)
State Lower Limit: 104,429,947 (State Test Value minus Margin of Error Percent)
State Upper Limit: 115,422,573 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 155,110,344 (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, D2, E, 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