taxes Property Tax Assistance

2019 Confidence Interval Detail

Ellis County
070-907/Italy ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 11,343,772 0.8292 13,680,381 11 193 0.049879146
A 9,209,484 0.8653 10,643,111 11 101 0.018419214
A 30,603,565 0.9559 32,015,446 14 257 0.035837571
A 30,846,477 0.9923 31,085,838 10 141 0.006524838
E 43,515,136 0.9423 46,179,705 15 288 0.011534605
F1 24,824,195 0.9782 25,377,423 22 52 0.021756615
L1 1,441,090 1.0605 1,358,878 7 17 0.010913412
L1 2,362,390 1.0573 2,234,361 3 7 0.001112375
L1 2,772,060 1.0533 2,631,736 1 2 0.000000000
Random Totals: 156,918,169 165,206,879 94 1,058
CATG D1 EXCEPTION VALUES: 5,978,606 3,029,654
CATG L1 EXCEPTION VALUES: 1,824,200 1,611,203
Total Test Values(2) 164,720,975 169,847,736

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 8,492,387

Confidence Interval Values(5)

Local Test Value: 164,720,975 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 161,355,349 (State Test Value minus Margin of Error Percent)
State Upper Limit: 178,340,123 (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