taxes Property Tax Assistance

2016 Confidence Interval Detail

050/Coryell
050-904/Oglesby ISD

Category Summary

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

Stratum
Variance
A 3,047,320 1.0210 2,984,643 16 74 .089218372
A 4,093,270 1.0416 3,929,791 15 67 .026203021
A 3,939,490 0.9201 4,281,589 11 43 .058404458
A 6,991,310 0.9192 7,605,864 18 45 .016720972
E 23,577,150 0.9305 25,338,152 20 219 .011542984
F1 520,750 0.9645 539,917 7 16 .006561223
Random Totals: 42,169,290   44,679,956 87 464  
Catg J Exception Values: 1,247,060   1,303,083      
Catg D1 Exception Values: 5,113,700   5,276,483      
Catg F1 Exception Values: 6,000,000   6,000,000      
Total Test Values (4): 54,530,050   57,259,522      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,862,976

Confidence Interval Values (5)

State Lower Limit: 54,396,546 (State Test Value minus Margin of Error Percent)
Local Test Value: 54,530,050 (Within Confidence Interval)
State Upper Limit: 60,122,498 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 57,262,851 (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, D3, 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