taxes Property Tax Assistance

2018 Confidence Interval Detail

090/Gray
033-901/Groom ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
E 4,952,010 1.0960 4,518,257 21 53 0.121028298
Random Totals: 4,952,010 4,518,257 21 53
CATG D1 EXCEPTION VALUES: 2,813,950 3,269,935
CATG J EXCEPTION VALUES: 290,030 300,123
Total Test Values(2) 8,055,990 8,088,315

Margin of Error

Margin of Error Percent: 6.8705237
Margin of Error Value: 555,710

Confidence Interval Values(5)

Local Test Value: 8,055,990 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 7,532,605 (State Test Value minus Margin of Error Percent)
State Upper Limit: 8,644,025 (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