taxes Property Tax Assistance

2018 Confidence Interval Detail

070/Ellis
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 12,650,274 0.7246 17,458,286 10 236 0.143244366
A 16,173,719 0.8678 18,637,611 10 192 0.026983388
A 17,391,830 0.9230 18,842,719 11 155 0.024507734
A 17,784,172 0.9126 19,487,368 11 89 0.019898908
E 32,172,294 0.8992 35,778,797 21 280 0.064806889
F1 3,148,740 0.9806 3,211,034 8 25 0.034622812
F1 4,140,613 0.8592 4,819,149 5 7 0.267924942
F1 2,596,270 0.7791 3,332,396 2 2 0.053179831
L1 1,386,091 1.0024 1,382,772 8 21 0.006087692
L1 1,715,010 1.0191 1,682,867 4 7 0.001021188
L1 1,828,680 1.0920 1,674,615 2 3 0.047158668
Random Totals: 110,987,693 126,307,614 92 1,017
CATG D1 EXCEPTION VALUES: 6,760,125 4,507,739
CATG F1 EXCEPTION VALUES: 5,891,370 6,005,908
CATG L1 EXCEPTION VALUES: 4,903,580 4,904,993
Total Test Values(3) 128,542,768 141,726,254

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 7,086,313

Confidence Interval Values(5)

Local Test Value: 128,542,768 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 134,639,941 (State Test Value minus Margin of Error Percent)
State Upper Limit: 148,812,567 (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