2012 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 | 21,492,330 | 0.9766 | 22,007,301 | 16 | 1,426 | .035800194 |
| G1 | 26,638,790 | 0.9875 | 26,975,990 | 8 | 52 | .026480185 |
| G1 | 26,609,050 | 0.9925 | 26,810,126 | 7 | 14 | .013673528 |
| G1 | 32,464,627 | 1.0063 | 32,261,380 | 4 | 5 | .005700077 |
| Random Totals: | 107,204,797 | 108,054,797 | 35 | 1,497 | ||
| Catg J Exception Values: | 30,512,050 | 31,270,835 | ||||
| Catg D1 Exception Values: | 13,156,070 | 14,197,733 | ||||
| Catg G1 Exception Values: | 19,267,880 | 19,856,306 | ||||
| Total Test Values (4): | 170,140,797 | 173,379,671 |
Margin of Error
| Margin of Error Percent: | 5.0000003 |
|---|---|
| Margin of Error Value: | 8,668,984 |
Confidence Interval Values (5)
| State Lower Limit: | 164,710,687 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 170,140,797 | (Within Confidence Interval) |
| State Upper Limit: | 182,048,655 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 229,691,044 | (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