2011 Confidence Interval Detail
212/Smith
212-910/Winona ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 18,577,140 | 0.9865 | 18,831,363 | 7 | 460 | .083484206 |
| A | 19,056,764 | 0.8080 | 23,585,104 | 8 | 309 | .018306053 |
| A | 19,588,869 | 0.9073 | 21,590,289 | 7 | 232 | .029359350 |
| A | 20,395,254 | 0.9399 | 21,699,387 | 7 | 146 | .014701879 |
| D3 | 70,793,268 | 0.9950 | 71,149,013 | 21 | 3,219 | .267524847 |
| F1 | 9,383,463 | 1.0313 | 9,098,674 | 8 | 53 | .024961210 |
| F1 | 8,044,642 | 0.8488 | 9,477,665 | 6 | 16 | .037008762 |
| F1 | 9,240,537 | 1.0144 | 9,109,362 | 4 | 8 | .023824740 |
| F1 | 7,804,478 | 0.8646 | 9,026,692 | 2 | 3 | .012961201 |
| G1 | 72,905,282 | 1.0247 | 71,147,928 | 8 | 39 | .020101211 |
| L1 | 11,674,256 | 0.9581 | 12,184,799 | 8 | 49 | .009828524 |
| L1 | 17,379,508 | 1.0077 | 17,246,708 | 5 | 10 | .000286049 |
| Random Totals: | 284,843,461 | 294,146,984 | 91 | 4,544 | ||
| Catg D1 Exception Values: | 8,477,811 | 6,578,173 | ||||
| Catg G1 Exception Values: | 20,222,713 | 19,548,585 | ||||
| Catg L1 Exception Values: | 7,614,291 | 6,193,525 | ||||
| Total Test Values (4): | 321,158,276 | 326,467,267 |
Margin of Error
| Margin of Error Percent: | 5.5720566 |
|---|---|
| Margin of Error Value: | 18,190,941 |
Confidence Interval Values (5)
| State Lower Limit: | 308,276,326 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 321,158,276 | (Within Confidence Interval) |
| State Upper Limit: | 344,658,208 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 365,930,359 | (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