2011 Confidence Interval Detail
249/Wise
249-901/Alvord ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 14,368,620 | 1.0068 | 14,271,573 | 10 | 214 | .019079687 |
| A | 13,308,380 | 0.9759 | 13,637,032 | 10 | 130 | .007664553 |
| A | 14,608,530 | 1.0532 | 13,870,613 | 10 | 106 | .017200587 |
| A | 13,805,000 | 1.0545 | 13,091,513 | 10 | 68 | .004484365 |
| D3 | 93,602,400 | 0.9669 | 96,806,702 | 17 | 2,238 | .018359454 |
| G1 | 20,466,220 | 0.9870 | 20,735,785 | 12 | 70 | .005198046 |
| G1 | 20,437,259 | 1.0075 | 20,285,121 | 7 | 21 | .002209539 |
| G1 | 20,608,437 | 1.0096 | 20,412,477 | 6 | 10 | .003749137 |
| G1 | 19,692,930 | 0.9967 | 19,758,132 | 4 | 6 | .005909055 |
| Random Totals: | 230,897,776 | 232,868,948 | 86 | 2,863 | ||
| Catg J Exception Values: | 3,021,369 | 3,250,943 | ||||
| Catg D1 Exception Values: | 2,938,550 | 2,742,615 | ||||
| Total Test Values (4): | 236,857,695 | 238,862,506 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 11,943,125 |
Confidence Interval Values (5)
| State Lower Limit: | 226,919,381 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 236,857,695 | (Within Confidence Interval) |
| State Upper Limit: | 250,805,631 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 286,948,350 | (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