taxes Property Tax Assistance

2017 Confidence Interval Detail

152/Lubbock
054-902/Lorenzo ISD

Category Summary

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

Stratum
Variance
A 1,357,707 0.9747 1,392,949 6 16 .015288816
E 3,613,863 1.0242 3,528,474 12 57 .007750129
F1 559,661 1.0528 531,593 2 3 .003272648
Random Totals: 5,531,231   5,453,016 20 76  
Catg J Exception Values: 420,248   525,507      
Catg D1 Exception Values: 4,386,346   3,576,297      
Total Test Values (4): 10,337,825   9,554,820      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 477,741

Confidence Interval Values (5)

State Lower Limit: 9,077,079 (State Test Value minus Margin of Error Percent)
State Upper Limit: 10,032,561 (State Test Value plus Margin of Error Percent)
Local Test Value: 10,337,825 (Outside Confidence Interval)
Value Assigned (6): 10,400,779 (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