taxes Property Tax Assistance

2017 Confidence Interval Detail

242/Wheeler
242-902/Shamrock ISD

Category Summary

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

Stratum
Variance
A 9,905,750 0.8160 12,139,400 15 370 .040179029
A 9,737,450 0.9478 10,273,739 16 178 .036397335
A 10,141,110 0.9653 10,505,656 15 126 .015278020
A 10,129,390 0.9459 10,708,732 17 77 .004988396
E 20,902,100 0.9710 21,526,365 20 594 .050771427
F1 5,271,710 0.9185 5,739,477 17 99 .034140939
F1 4,830,200 0.9488 5,090,852 10 18 .004252152
F1 7,273,290 1.0031 7,250,812 5 8 .006900852
G1 2,032,510 1.0242 1,984,485 15 157 .038707735
G1 2,035,410 1.0155 2,004,343 10 24 .020014397
G1 2,102,370 1.0118 2,077,851 4 5 .005471526
L1 2,085,740 1.0361 2,013,068 10 36 .004820477
L1 2,113,780 0.9492 2,226,907 7 12 .008668019
L1 2,089,250 1.0176 2,053,115 3 4 .001067312
Random Totals: 90,650,060   95,594,802 164 1,708  
Catg J Exception Values: 2,282,480   2,358,209      
Catg D1 Exception Values: 9,614,700   8,996,816      
Catg G1 Exception Values: 1,781,480   1,782,537      
Catg L1 Exception Values: 3,168,570   3,075,594      
Total Test Values (4): 107,497,290   111,807,958      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 5,590,397

Confidence Interval Values (5)

State Lower Limit: 106,217,561 (State Test Value minus Margin of Error Percent)
Local Test Value: 107,497,290 (Within Confidence Interval)
State Upper Limit: 117,398,355 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 125,930,490 (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