taxes Property Tax Assistance

2023 Confidence Interval Detail

Polk County
187-903/Goodrich ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 15,785,440 0.8137 19,399,582 12 253 0.073229583
A 22,978,788 0.9305 24,695,097 17 198 0.044695941
A 27,822,897 1.0411 26,724,519 14 164 0.038180720
A 40,076,382 0.9797 40,906,790 15 134 0.036012131
E 35,043,483 1.4322 24,468,289 20 189 0.308666547
Random Totals: 141,706,990 136,194,277 78 938
CATG D1 EXCEPTION VALUES: 3,454,390 2,812,980
CATG J EXCEPTION VALUES: 8,082,420 7,999,882
Total Test Values 153,243,800 147,007,139

Margin of Error

Margin of Error Percent: 5.6245200
Margin of Error Value: 8,268,446

Confidence Interval Values(5)

Local Test Value: 153,243,800 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 138,738,693 (State Test Value minus Margin of Error Percent)
State Upper Limit: 155,275,585 (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