2011 Confidence Interval Detail
250/Wood
230-905/Harmony ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 57,019,270 | 1.0149 | 56,182,156 | 15 | 604 | .011485645 |
| A | 58,167,839 | 0.9771 | 59,531,101 | 12 | 401 | .004755566 |
| A | 55,097,950 | 1.0320 | 53,389,486 | 10 | 287 | .026037361 |
| A | 57,253,460 | 1.0193 | 56,169,391 | 10 | 196 | .027942161 |
| D3 | 20,604,547 | 0.8384 | 24,576,034 | 15 | 776 | .342425816 |
| Random Totals: | 248,143,066 | 249,848,168 | 62 | 2,264 | ||
| Catg D1 Exception Values: | 2,481,522 | 2,397,224 | ||||
| Total Test Values (4): | 250,624,588 | 252,245,392 |
Margin of Error
| Margin of Error Percent: | 5.0000002 |
|---|---|
| Margin of Error Value: | 12,612,270 |
Confidence Interval Values (5)
| State Lower Limit: | 239,633,122 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 250,624,588 | (Within Confidence Interval) |
| State Upper Limit: | 264,857,662 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 224,137,377 | (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
