2009 Confidence Interval Detail
025/Brown
025-901/Bangs ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 36,037,896 | 0.8659 | 41,619,005 | 21 | 1,112 | .101708649 |
| A | 36,222,750 | 0.9500 | 38,129,211 | 19 | 529 | .116031119 |
| A | 38,061,265 | 1.0089 | 37,725,508 | 18 | 304 | .012355522 |
| A | 42,366,260 | 0.9809 | 43,191,212 | 18 | 164 | .018527749 |
| D3 | 68,141,331 | 0.9196 | 74,098,881 | 32 | 2,887 | .020032014 |
| Random Totals: | 220,829,502 | 234,763,817 | 108 | 4,996 | ||
| Catg J Exception Values: | 12,425,689 | 12,295,023 | ||||
| Catg D1 Exception Values: | 7,820,390 | 7,933,135 | ||||
| Total Test Values (4): | 241,075,581 | 254,991,975 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 12,749,599 |
Confidence Interval Values (5)
| Local Test Value: | 241,075,581 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 242,242,376 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 267,741,574 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 250,218,709 | (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