Quick Start for:

2009 Confidence Interval Detail
039/Clay
039-905/Midway ISD

Category Summary

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

Stratum
Variance
A 1,508,210 1.0063 1,498,768 6 51 .067721471
A 1,423,750 0.9883 1,440,605 7 25 .004527022
A 1,520,350 0.9643 1,576,636 5 17 .006570606
A 1,715,460 1.0158 1,688,777 4 11 .000800300
D3 24,470,530 0.9625 25,423,927 30 2,171 .011685852
G1 7,998,620 1.0043 7,964,373 15 80 .005292322
G1 7,981,700 0.9604 8,310,808 13 28 .009074833
G1 7,900,800 1.0282 7,684,108 9 14 .003586977
G1 7,526,800 1.0195 7,382,835 4 5 .001347021
Random Totals: 62,046,220   62,970,837 93 2,402  
Catg J Exception Values: 1,321,840   3,175,542      
Catg D1 Exception Values: 11,408,350   10,613,055      
Total Test Values (4): 74,776,410   76,759,434      

Margin of Error

Margin of Error Percent: 5.0000004
Margin of Error Value: 3,837,972

Confidence Interval Values (5)

State Lower Limit: 72,921,462 (State Test Value minus Margin of Error Percent)
Local Test Value: 74,776,410 (Within Confidence Interval)
State Upper Limit: 80,597,406 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 75,548,640 (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