2009 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 | 15,502,343 | 0.8281 | 18,720,376 | 20 | 1,492 | .256216345 |
| G1 | 14,918,101 | 1.0324 | 14,449,923 | 16 | 55 | .006270376 |
| G1 | 15,424,110 | 1.0327 | 14,935,712 | 11 | 18 | .019590938 |
| G1 | 13,275,700 | 0.9584 | 13,851,941 | 5 | 6 | .011580135 |
| Random Totals: | 59,120,254 | 61,957,952 | 52 | 1,571 | ||
| Catg J Exception Values: | 4,199,434 | 4,234,783 | ||||
| Catg D1 Exception Values: | 10,862,488 | 12,452,785 | ||||
| Catg G1 Exception Values: | 14,509,680 | 14,410,368 | ||||
| Total Test Values (4): | 88,691,856 | 93,055,888 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 4,652,794 |
Confidence Interval Values (5)
| State Lower Limit: | 88,403,094 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 88,691,856 | (Within Confidence Interval) |
| State Upper Limit: | 97,708,682 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 411,695,475 | (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