taxes Property Tax Assistance

2023 Confidence Interval Detail

Polk County
187-904/Corrigan-Camden ISD

Category Summary

(1)
Category
(1)
Local
Value
(1)
Stratum
Ratio
(1)
State
Value
(2)
Sample
Size
(3)
Total
Parcels

Stratum
Variance
A 19,806,519 0.8864 22,344,900 13 357 0.029973831
A 32,927,755 0.9476 34,748,581 12 334 0.009653285
A 44,566,156 0.9909 44,975,432 15 299 0.025916233
A 67,207,944 1.0177 66,039,053 17 251 0.022479020
E 109,774,394 1.1066 99,199,705 22 670 0.096813053
Random Totals: 274,282,768 267,307,671 79 1,911
CATG D1 EXCEPTION VALUES: 32,305,243 29,266,766
CATG J EXCEPTION VALUES: 36,191,410 39,531,798
Total Test Values 342,779,421 336,106,235

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 16,805,312

Confidence Interval Values(5)

Local Test Value: 342,779,421 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 319,300,923 (State Test Value minus Margin of Error Percent)
State Upper Limit: 352,911,547 (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