taxes Property Tax Assistance

2022 Confidence Interval Detail

Houston County
113-902/Grapeland ISD

Category Summary

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

Stratum
Variance
A 26,118,280 0.7953 32,840,790 19 413 0.117685358
A 26,547,620 0.8146 32,589,762 16 236 0.088541335
A 30,302,730 0.8610 35,194,808 17 164 0.067261409
A 32,664,310 0.9020 36,213,204 18 93 0.058107597
E 123,240,540 0.7841 157,174,519 22 1,360 0.043079485
Random Totals: 238,873,480 294,013,083 92 2,266
CATG D1 EXCEPTION VALUES: 17,020,916 17,426,051
CATG J EXCEPTION VALUES: 6,559,320 7,307,884
Total Test Values 262,453,716 318,747,018

Margin of Error

Margin of Error Percent: 5.1069311
Margin of Error Value: 16,278,191

Confidence Interval Values(5)

Local Test Value: 262,453,716 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 302,468,827 (State Test Value minus Margin of Error Percent)
State Upper Limit: 335,025,209 (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