2008 Confidence Interval Detail
249/Wise
061-911/Northwest ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 317,667,160 | 1.0029 | 316,748,589 | 34 | 2,571 | .003207344 |
| G1 | 227,619,735 | 0.9937 | 229,062,831 | 5 | 293 | .005304328 |
| G1 | 228,048,320 | 1.0223 | 223,073,775 | 5 | 164 | .001506240 |
| G1 | 227,318,383 | 1.0316 | 220,355,160 | 5 | 106 | .001725918 |
| G1 | 226,583,678 | 1.0249 | 221,078,815 | 5 | 58 | .003446552 |
| Random Totals: | 1,227,237,276 | 1,210,319,170 | 54 | 3,192 | ||
| Catg D1 Exception Values: | 1,988,740 | 1,982,050 | ||||
| Total Test Values (4): | 1,229,226,016 | 1,212,301,220 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 60,615,061 |
Confidence Interval Values (5)
| State Lower Limit: | 1,151,686,159 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,229,226,016 | (Within Confidence Interval) |
| State Upper Limit: | 1,272,916,281 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,371,074,432 | (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