taxes Property Tax Assistance

2019 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 2,882,157 0.9591 3,005,064 12 84 0.039668368
A 3,260,194 0.9331 3,493,938 12 45 0.032960760
A 3,079,242 0.9382 3,282,074 11 24 0.016539301
A 3,798,623 1.0426 3,643,414 8 17 0.025776577
E 11,381,185 0.9478 12,008,003 21 170 0.004385190
Random Totals: 24,401,401 25,432,493 64 340
CATG D1 EXCEPTION VALUES: 7,472,881 7,495,076
Total Test Values(1) 31,874,282 32,927,569

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,646,378

Confidence Interval Values(5)

Local Test Value: 31,874,282 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 31,281,191 (State Test Value minus Margin of Error Percent)
State Upper Limit: 34,573,947 (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