2008 Confidence Interval Detail
177/Nolan
177-903/Blackwell ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| D3 | 11,682,638 | 0.6896 | 16,941,180 | 22 | 1,267 | .464302149 |
| G1 | 21,626,420 | 0.9463 | 22,853,662 | 7 | 55 | .012127903 |
| G1 | 23,380,470 | 0.9841 | 23,758,226 | 6 | 15 | .020143127 |
| G1 | 21,321,040 | 0.9941 | 21,447,581 | 3 | 6 | .015080569 |
| Random Totals: | 78,010,568 | 85,000,649 | 38 | 1,343 | ||
| Catg J Exception Values: | 7,048,210 | 4,467,368 | ||||
| Catg D1 Exception Values: | 9,415,220 | 11,173,322 | ||||
| Catg G1 Exception Values: | 18,828,950 | 18,189,176 | ||||
| Total Test Values (4): | 113,302,948 | 118,830,515 |
Margin of Error
| Margin of Error Percent: | 5.1348157 |
|---|---|
| Margin of Error Value: | 6,101,728 |
Confidence Interval Values (5)
| State Lower Limit: | 112,728,787 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 113,302,948 | (Within Confidence Interval) |
| State Upper Limit: | 124,932,243 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 672,177,975 | (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