2007 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 | 1,674,153 | 1.0167 | 1,646,654 | 7 | 84 | .010425581 |
| A | 1,681,107 | 0.9807 | 1,714,191 | 7 | 42 | .004278531 |
| A | 1,688,270 | 0.8507 | 1,984,566 | 6 | 28 | .014521785 |
| A | 1,630,929 | 0.9120 | 1,788,299 | 7 | 17 | .041810917 |
| D3 | 22,139,233 | 0.9697 | 22,831,013 | 35 | 1,170 | .192701088 |
| L1 | 3,075,030 | 0.9603 | 3,202,156 | 9 | 38 | .000397423 |
| Random Totals: | 31,888,722 | 33,166,879 | 71 | 1,379 | ||
| Catg J Exception Values: | 2,731,650 | 2,729,238 | ||||
| Catg D1 Exception Values: | 4,039,432 | 3,433,808 | ||||
| Total Test Values (4): | 38,659,804 | 39,329,925 |
Margin of Error
| Margin of Error Percent: | 8.4999374 |
|---|---|
| Margin of Error Value: | 3,343,019 |
Confidence Interval Values (5)
| State Lower Limit: | 35,986,906 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 38,659,804 | (Within Confidence Interval) |
| State Upper Limit: | 42,672,944 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 33,357,878 | (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