taxes Property Tax Assistance

2022 Confidence Interval Detail

Ellis County
070-905/Ferris ISD

Category Summary

(1)
Category
(1)
Local
Value
(1)
Stratum
Ratio
(1)
State
Value
(2)
Sample
Size
(3)
Total
Parcels

Stratum
Variance
A 80,095,317 1.0184 78,648,190 18 810 0.029728151
A 123,301,829 0.8438 146,126,842 15 758 0.024660924
A 127,773,810 0.8527 149,846,148 17 554 0.016210931
A 287,425,220 0.9735 295,249,327 37 809 0.015333556
E 159,818,067 0.9838 162,449,753 22 784 0.038068647
F1 14,731,769 1.0120 14,557,084 9 62 0.005243939
F1 20,001,650 1.0565 18,931,992 7 30 0.070903874
F1 13,815,222 1.1200 12,335,020 5 9 0.007720647
F1 23,453,470 1.1795 19,884,248 3 5 0.035600587
Random Totals: 850,416,354 898,028,604 133 3,821
CATG D1 EXCEPTION VALUES: 6,114,908 2,991,711
Total Test Values 856,531,262 901,020,315

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 45,051,016

Confidence Interval Values(5)

Local Test Value: 856,531,262 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 855,969,299 (State Test Value minus Margin of Error Percent)
State Upper Limit: 946,071,331 (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