taxes Property Tax Assistance

2020 Confidence Interval Detail

Grayson County
091-905/Howe ISD

Category Summary

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

Stratum
Variance
A 66,026,301 0.9539 69,217,215 25 538 0.027638089
A 65,581,678 0.9555 68,635,979 14 339 0.006828449
A 72,266,365 0.9621 75,113,154 10 287 0.009289964
A 75,405,417 0.9377 80,415,290 11 206 0.004723146
E 67,078,881 1.0946 61,281,638 10 316 0.034000156
F1 3,893,972 0.9272 4,199,711 10 54 0.016674140
F1 8,278,412 0.9510 8,704,955 9 30 0.017888287
F1 3,233,464 1.0141 3,188,506 3 4 0.001829486
Random Totals: 361,764,490 370,756,448 92 1,774
CATG D1 EXCEPTION VALUES: 5,200,941 3,207,815
CATG F1 EXCEPTION VALUES: 6,921,253 8,459,026
CATG J EXCEPTION VALUES: 22,567,742 25,691,082
Total Test Values 396,454,426 408,114,371

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 20,405,719

Confidence Interval Values(5)

Local Test Value: 396,454,426 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 387,708,652 (State Test Value minus Margin of Error Percent)
State Upper Limit: 428,520,090 (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