taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
110/Hockley
110-905/Ropes ISD

Category Summary

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

Stratum
Variance
A 10,261,083 0.9774 10,498,346 9 176 .003036122
A 11,837,760 0.9692 12,213,950 9 97 .004669527
A 10,168,200 0.9970 10,198,796 8 52 .007448732
A 14,214,670 1.0052 14,141,136 8 40 .000657867
G1 2,708,440 1.0460 2,589,331 6 16 .001227046
Random Totals: 49,190,153   49,641,559 40 381  
Catg J Exception Values: 1,113,380   1,094,573      
Catg D1 Exception Values: 28,424,958   16,499,246      
Catg G1 Exception Values: 1,183,190   1,171,976      
Total Test Values (4): 79,911,681   68,407,354      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 3,420,367

Confidence Interval Values (5)

State Lower Limit: 64,986,987 (State Test Value minus Margin of Error Percent)
State Upper Limit: 71,827,721 (State Test Value plus Margin of Error Percent)
Local Test Value: 79,911,681 (Outside Confidence Interval)
Value Assigned (6): 91,386,078 (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, D3, 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