taxes Property Tax Assistance

2017 Confidence Interval Detail

050/Coryell
050-909/Jonesboro ISD

Category Summary

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

Stratum
Variance
A 2,452,720 0.9341 2,625,757 14 43 .039565729
A 2,453,280 0.9931 2,470,325 10 26 .014404656
A 2,249,570 1.0559 2,130,476 9 15 .013378596
A 1,712,360 0.9929 1,724,605 5 6 .020404602
E 35,955,539 0.9546 37,665,555 23 337 .021096442
Random Totals: 44,823,469   46,616,718 61 427  
Catg J Exception Values: 11,250   26,183      
Catg D1 Exception Values: 7,065,462   7,333,473      
Total Test Values (4): 51,900,181   53,976,374      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,698,818

Confidence Interval Values (5)

State Lower Limit: 51,277,556 (State Test Value minus Margin of Error Percent)
Local Test Value: 51,900,181 (Within Confidence Interval)
State Upper Limit: 56,675,192 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 52,251,990 (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