taxes Property Tax Assistance

2018 Confidence Interval Detail

090/Gray
090-902/Lefors ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 1,649,440 0.5671 2,908,552 10 133 0.036104243
A 1,620,380 0.7109 2,279,336 11 45 0.018811144
A 1,304,640 0.8664 1,505,817 8 20 0.033894054
A 1,111,860 0.8635 1,287,620 7 11 0.055616491
G1 8,383,610 1.0165 8,247,526 11 63 0.008574757
G1 8,845,070 1.0400 8,504,875 7 17 0.010299899
G1 9,774,739 1.0556 9,259,889 4 6 0.001585032
Random Totals: 32,689,739 33,993,615 58 295
CATG D1 EXCEPTION VALUES: 3,427,340 3,419,737
CATG G1 EXCEPTION VALUES: 6,355,440 6,352,484
Total Test Values(2) 42,472,519 43,765,836

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,188,292

Confidence Interval Values(5)

Local Test Value: 42,472,519 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 41,577,544 (State Test Value minus Margin of Error Percent)
State Upper Limit: 45,954,128 (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