taxes Property Tax Assistance

2018 Confidence Interval Detail

090/Gray
090-905/Grandview-Hopkins ISD

Category Summary

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

Stratum
Variance
E 5,627,980 1.0342 5,441,868 14 82 .163103147
G1 6,843,030 1.0025 6,825,965 14 74 .025476465
G1 7,167,520 1.0420 6,878,618 11 28 .015620818
G1 6,619,950 1.0013 6,611,355 7 12 .000268224
G1 6,720,730 1.0078 6,668,714 3 4 .000198966
Random Totals: 32,979,210   32,426,520 49 200  
Catg D1 Exception Values: 9,734,500   11,383,074      
Catg G1 Exception Values: 8,185,920   8,209,771      
Total Test Values (4): 50,899,630   52,019,365      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,600,968

Confidence Interval Values (5)

State Lower Limit: 49,418,397 (State Test Value minus Margin of Error Percent)
Local Test Value: 50,899,630 (Within Confidence Interval)
State Upper Limit: 54,620,333 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 97,499,589 (See ISD Summary Worksheet)

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
(6) Includes local value of unstudied property categories and sub-categories