Labor Day

Quick Start for:

2007 Confidence Interval Detail
225/Titus
225-906/Chapel Hill ISD

Category Summary

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

Stratum
Variance
A 12,920,640 0.9032 14,305,403 15 185 .018055709
A 12,800,323 0.9997 12,804,164 15 96 .008191137
A 12,843,824 0.9577 13,411,114 15 62 .011222637
A 12,714,188 1.0269 12,381,135 14 40 .003177580
D3 35,076,358 0.9203 38,114,048 20 1,424 .073095216
Random Totals: 86,355,333   91,015,864 79 1,807  
Catg J Exception Values: 3,554,936   3,323,171      
Catg D1 Exception Values: 3,107,674   2,518,810      
Total Test Values (4): 93,017,943   96,857,845      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 4,842,892

Confidence Interval Values (5)

State Lower Limit: 92,014,953 (State Test Value minus Margin of Error Percent)
Local Test Value: 93,017,943 (Within Confidence Interval)
State Upper Limit: 101,700,737 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 88,107,890 (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

Required Plug-ins