taxes Property Tax Assistance

2018 Confidence Interval Detail

177/Nolan
177-903/Blackwell CISD

Category Summary

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

Stratum
Variance
E 23,105,090 0.8377 27,581,581 19 517 .387314411
G1 6,223,739 0.9982 6,234,962 15 47 .055002345
Random Totals: 29,328,829   33,816,543 34 564  
Catg J Exception Values: 27,294,760   30,533,590      
Catg D1 Exception Values: 13,953,830   10,528,372      
Catg G1 Exception Values: 25,591,800   25,397,771      
Total Test Values (4): 96,169,219   100,276,276      

Margin of Error

Margin of Error Percent: 7.8687376
Margin of Error Value: 7,890,477

Confidence Interval Values (5)

State Lower Limit: 92,385,799 (State Test Value minus Margin of Error Percent)
Local Test Value: 96,169,219 (Within Confidence Interval)
State Upper Limit: 108,166,753 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 692,219,448 (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