taxes Property Tax Assistance

2021 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 14,208,576 0.9367 15,168,758 19 285 0.137117215
A 16,290,234 0.9041 18,018,177 19 182 0.056967127
A 18,793,757 0.9202 20,423,557 17 142 0.072294005
A 23,824,332 0.9702 24,556,104 16 101 0.018911944
E 20,718,729 1.0169 20,374,402 24 183 0.167092854
Random Totals: 93,835,628 98,540,998 95 893
CATG D1 EXCEPTION VALUES: 3,658,485 3,156,176
CATG J EXCEPTION VALUES: 6,518,270 7,099,612
Total Test Values 104,012,383 108,796,786

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 5,439,839

Confidence Interval Values(5)

Local Test Value: 104,012,383 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 103,356,947 (State Test Value minus Margin of Error Percent)
State Upper Limit: 114,236,625 (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