taxes Property Tax Assistance

2018 Confidence Interval Detail

039/Clay
039-902/Henrietta ISD

Category Summary

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

Stratum
Variance
A 37,086,600 0.8523 43,513,552 40 832 0.070669996
A 39,228,210 0.9017 43,504,724 25 443 0.039817886
A 40,189,930 0.8820 45,566,814 15 308 0.020514720
A 44,054,130 0.9421 46,761,628 16 210 0.037602468
E 48,374,660 0.8965 53,959,465 18 728 0.040333541
F1 4,613,130 0.9041 5,102,455 9 69 0.036185326
F1 4,516,010 0.9815 4,601,131 7 26 0.007858280
F1 4,672,660 0.9647 4,843,641 5 11 0.020855600
F1 7,504,610 1.0405 7,212,504 2 4 0.000555095
Random Totals: 230,239,940 255,065,914 137 2,631
CATG D1 EXCEPTION VALUES: 18,934,530 18,452,830
CATG J EXCEPTION VALUES: 38,847,920 41,084,642
Total Test Values(2) 288,022,390 314,603,386

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 15,730,169

Confidence Interval Values(5)

Local Test Value: 288,022,390 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 298,873,217 (State Test Value minus Margin of Error Percent)
State Upper Limit: 330,333,555 (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