taxes Property Tax Assistance

2020 Confidence Interval Detail

Grimes County
093-903/Iola ISD

Category Summary

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

Stratum
Variance
A 31,619,330 1.0139 31,185,847 11 215 0.018200535
A 30,429,330 1.0921 27,863,135 10 78 0.010905702
A 28,176,690 1.0157 27,741,154 10 58 0.003306618
A 34,821,250 1.0785 32,286,741 10 53 0.010432007
E 134,868,303 0.9480 142,266,142 21 1,005 0.018455481
G1 49,561,992 0.9234 53,673,372 8 37 0.043122805
Random Totals: 309,476,895 315,016,391 70 1,446
CATG D1 EXCEPTION VALUES: 5,423,977 5,770,690
CATG J EXCEPTION VALUES: 13,479,145 15,595,365
Total Test Values 328,380,017 336,382,446

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 16,819,122

Confidence Interval Values(5)

Local Test Value: 328,380,017 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 319,563,324 (State Test Value minus Margin of Error Percent)
State Upper Limit: 353,201,568 (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