2009 Confidence Interval Detail
025/Brown
025-904/Blanket ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,788,170 | 0.9167 | 1,950,660 | 8 | 83 | .055835940 |
| A | 1,981,140 | 1.0383 | 1,908,061 | 10 | 47 | .025626967 |
| A | 1,797,130 | 0.9086 | 1,977,911 | 8 | 29 | .014688247 |
| A | 1,620,120 | 0.9051 | 1,789,990 | 7 | 15 | .026740280 |
| D3 | 21,255,720 | 0.8510 | 24,977,344 | 37 | 983 | .300514326 |
| Random Totals: | 28,442,280 | 32,603,966 | 70 | 1,157 | ||
| Catg J Exception Values: | 2,476,760 | 2,418,908 | ||||
| Catg D1 Exception Values: | 3,158,262 | 3,210,575 | ||||
| Total Test Values (4): | 34,077,302 | 38,233,449 |
Margin of Error
| Margin of Error Percent: | 11.5735857 |
|---|---|
| Margin of Error Value: | 4,424,981 |
Confidence Interval Values (5)
| State Lower Limit: | 33,808,468 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 34,077,302 | (Within Confidence Interval) |
| State Upper Limit: | 42,658,430 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 30,416,815 | (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