taxes Property Tax Assistance

2021 Confidence Interval Detail

Polk County
187-901/Big Sandy ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 10,761,937 1.1233 9,580,644 12 261 0.057544795
A 12,354,608 1.0743 11,500,147 12 149 0.128310031
A 13,558,596 0.9521 14,240,727 13 108 0.024036383
A 15,944,370 1.1203 14,232,232 11 70 0.062365933
E 42,253,605 0.9502 44,468,117 24 455 0.147219487
G1 46,216,770 0.9695 47,670,727 9 46 0.000215852
Random Totals: 141,089,886 141,692,594 81 1,089
CATG D1 EXCEPTION VALUES: 22,445,821 21,252,430
CATG J EXCEPTION VALUES: 3,855,400 4,335,019
Total Test Values 167,391,107 167,280,043

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 8,364,002

Confidence Interval Values(5)

Local Test Value: 167,391,107 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 158,916,041 (State Test Value minus Margin of Error Percent)
State Upper Limit: 175,644,045 (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