2009 Confidence Interval Detail
154/Madison
154-903/North Zulch ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 3,368,960 | 0.9142 | 3,685,145 | 7 | 118 | .005357259 |
| A | 3,290,530 | 0.9327 | 3,527,962 | 6 | 63 | .003747246 |
| A | 3,239,810 | 0.9553 | 3,391,406 | 6 | 36 | .001564582 |
| A | 5,725,480 | 1.0048 | 5,698,129 | 6 | 31 | .000939256 |
| D3 | 38,060,335 | 0.9784 | 38,900,588 | 21 | 1,581 | .010562756 |
| G1 | 5,558,372 | 0.8565 | 6,489,635 | 6 | 31 | .117201869 |
| G1 | 5,721,598 | 0.9535 | 6,000,627 | 5 | 14 | .041551475 |
| G1 | 6,565,678 | 0.8868 | 7,403,787 | 4 | 8 | .029577196 |
| G1 | 4,350,443 | 0.8884 | 4,896,942 | 2 | 3 | .141781656 |
| Random Totals: | 75,881,206 | 79,994,221 | 63 | 1,885 | ||
| Catg J Exception Values: | 6,545,540 | 6,746,842 | ||||
| Catg D1 Exception Values: | 2,957,249 | 3,003,088 | ||||
| Total Test Values (4): | 85,383,995 | 89,744,151 |
Margin of Error
| Margin of Error Percent: | 5.0000005 |
|---|---|
| Margin of Error Value: | 4,487,208 |
Confidence Interval Values (5)
| State Lower Limit: | 85,256,943 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 85,383,995 | (Within Confidence Interval) |
| State Upper Limit: | 94,231,359 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 112,421,551 | (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