taxes Property Tax Assistance

2018 Confidence Interval Detail

139/Lamar
139-912/Prairiland ISD

Category Summary

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

Stratum
Variance
A 17,608,770 0.8661 20,331,105 15 434 .059867035
A 16,568,670 0.7921 20,917,397 15 255 .030763436
A 16,427,060 0.8778 18,713,898 15 178 .045440318
A 16,039,390 0.9027 17,768,240 15 112 .029045367
E 122,981,776 0.7464 164,766,581 27 1,739 .049067703
Random Totals: 189,625,666   242,497,221 87 2,718  
Catg J Exception Values: 12,867,303   13,304,673      
Catg D1 Exception Values: 13,645,425   12,913,758      
Total Test Values (4): 216,138,394   268,715,652      

Margin of Error

Margin of Error Percent: 5.3530600
Margin of Error Value: 14,384,510

Confidence Interval Values (5)

Local Test Value: 216,138,394 (Outside Confidence Interval)
State Lower Limit: 254,331,142 (State Test Value minus Margin of Error Percent)
State Upper Limit: 283,100,162 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 257,889,780 (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