taxes Property Tax Assistance

2017 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 12,977,390 0.9749 13,311,509 10 187 .022109223
A 12,347,780 0.9915 12,453,636 10 87 .009272806
A 12,188,290 1.0488 11,621,177 10 54 .005729242
A 16,271,830 1.0572 15,391,440 9 39 .007610922
Random Totals: 53,785,290   52,777,762 39 367  
Catg J Exception Values: 1,076,330   1,345,923      
Catg D1 Exception Values: 24,656,808   12,162,314      
Total Test Values (4): 79,518,428   66,285,999      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 3,314,299

Confidence Interval Values (5)

State Lower Limit: 62,971,700 (State Test Value minus Margin of Error Percent)
State Upper Limit: 69,600,298 (State Test Value plus Margin of Error Percent)
Local Test Value: 79,518,428 (Outside Confidence Interval)
Value Assigned (6): 95,642,589 (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