taxes Property Tax Assistance

2021 Confidence Interval Detail

Polk County
229-906/Chester ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 3,431,452 0.9552 3,592,391 14 87 0.037796388
A 3,719,763 1.0106 3,680,747 11 47 0.047105643
A 3,532,445 1.0196 3,464,540 11 25 0.046226703
A 4,448,989 1.0810 4,115,623 8 18 0.009105160
E 15,247,180 1.0705 14,243,045 20 181 0.060768713
Random Totals: 30,379,829 29,096,346 64 358
CATG D1 EXCEPTION VALUES: 7,786,452 7,309,692
Total Test Values 38,166,281 36,406,038

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,820,302

Confidence Interval Values(5)

Local Test Value: 38,166,281 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 34,585,736 (State Test Value minus Margin of Error Percent)
State Upper Limit: 38,226,340 (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