taxes Property Tax Assistance

2017 Confidence Interval Detail

184/Parker
119-903/Perrin-Whitt CISD

Category Summary

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

Stratum
Variance
A 1,535,310 0.9092 1,688,638 8 31 .005026900
A 2,047,930 0.9170 2,233,293 7 25 .003704312
A 1,605,290 0.9152 1,754,032 6 12 .008599802
A 2,363,380 0.9118 2,591,994 4 11 .026693155
E 34,324,390 0.9420 36,437,781 21 278 .087897188
Random Totals: 41,876,300   44,705,738 46 357  
Catg D1 Exception Values: 2,009,870   1,448,054      
Total Test Values (4): 43,886,170   46,153,792      

Margin of Error

Margin of Error Percent: 9.9282005
Margin of Error Value: 4,582,241

Confidence Interval Values (5)

State Lower Limit: 41,571,551 (State Test Value minus Margin of Error Percent)
Local Test Value: 43,886,170 (Within Confidence Interval)
State Upper Limit: 50,736,033 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 46,338,903 (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