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 0.387314411
G1 6,223,739 0.9982 6,234,962 15 47 0.055002345
Random Totals: 29,328,829 33,816,543 34 564
CATG D1 EXCEPTION VALUES: 13,953,830 10,528,372
CATG G1 EXCEPTION VALUES: 25,591,800 25,397,771
CATG J EXCEPTION VALUES: 27,294,760 27,956,749
Total Test Values(3) 96,169,219 97,699,435

Margin of Error

Margin of Error Percent: 8.0762766
Margin of Error Value: 7,890,477

Confidence Interval Values(5)

Local Test Value: 96,169,219 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 89,808,958 (State Test Value minus Margin of Error Percent)
State Upper Limit: 105,589,912 (State Test Value plus Margin of Error Percent)

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