taxes Property Tax Assistance

2018 Confidence Interval Detail

139/Lamar
139-911/North Lamar ISD

Category Summary

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

Stratum
Variance
A 118,374,900 0.8962 132,085,360 21 1,501 .037070810
A 115,357,670 0.8830 130,642,888 20 911 .027427564
A 118,309,150 0.9187 128,778,872 27 668 .011051586
A 122,796,970 0.8974 136,836,383 26 427 .022312064
E 308,483,618 0.9304 331,560,209 32 3,478 .080755268
F1 28,242,280 0.8308 33,994,078 10 179 .067095061
F1 26,342,400 0.7751 33,985,808 8 53 .090849754
F1 30,457,662 0.9844 30,940,331 6 20 .050198470
F1 28,549,750 0.8518 33,516,964 3 6 .033878189
L1 14,613,250 0.9928 14,719,228 10 206 .007442068
L1 14,836,370 0.9473 15,661,744 8 41 .006946866
L1 19,533,420 0.8753 22,316,257 5 14 .041051184
Random Totals: 945,897,440   1,045,038,122 176 7,504  
Catg D1 Exception Values: 21,040,097   19,230,567      
Catg L1 Exception Values: 10,614,020   10,623,243      
Total Test Values (4): 977,551,557   1,074,891,932      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 53,744,596

Confidence Interval Values (5)

Local Test Value: 977,551,557 (Outside Confidence Interval)
State Lower Limit: 1,021,147,336 (State Test Value minus Margin of Error Percent)
State Upper Limit: 1,128,636,528 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,293,742,257 (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