2007 Confidence Interval Detail
236/Walker
236-902/Huntsville ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 204,553,136 | 1.0039 | 203,758,478 | 15 | 3,497 | .015276127 |
| A | 204,466,410 | 0.9387 | 217,818,696 | 23 | 1,918 | .007197560 |
| A | 204,415,037 | 0.9717 | 210,368,465 | 29 | 1,376 | .005832810 |
| A | 204,442,412 | 0.9696 | 210,852,323 | 23 | 894 | .006481349 |
| B | 36,680,952 | 0.9806 | 37,406,641 | 7 | 122 | .011185292 |
| B | 39,133,549 | 1.0517 | 37,209,802 | 5 | 18 | .002053769 |
| B | 68,176,258 | 0.9939 | 68,594,686 | 5 | 9 | .001311634 |
| D3 | 217,156,910 | 0.9441 | 230,014,734 | 39 | 7,447 | .044871578 |
| F1 | 49,861,773 | 0.9674 | 51,542,044 | 8 | 314 | .005207095 |
| F1 | 49,510,158 | 0.9918 | 49,919,498 | 6 | 90 | .001648955 |
| F1 | 49,932,062 | 0.9559 | 52,235,654 | 6 | 38 | .004526261 |
| F1 | 49,388,272 | 0.9584 | 51,532,003 | 4 | 11 | .002464271 |
| L1 | 27,103,538 | 1.1327 | 23,928,258 | 8 | 369 | .025458748 |
| L1 | 26,780,103 | 1.1022 | 24,296,954 | 6 | 70 | .008083724 |
| L1 | 27,255,365 | 0.9700 | 28,098,314 | 6 | 26 | .060543408 |
| L1 | 26,573,960 | 1.2549 | 21,176,157 | 4 | 7 | .016590847 |
| Random Totals: | 1,485,429,895 | 1,518,752,707 | 194 | 16,206 | ||
| Catg D1 Exception Values: | 35,049,336 | 32,476,064 | ||||
| Total Test Values (4): | 1,520,479,231 | 1,551,228,771 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 77,561,439 |
Confidence Interval Values (5)
| State Lower Limit: | 1,473,667,332 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,520,479,231 | (Within Confidence Interval) |
| State Upper Limit: | 1,628,790,210 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,516,964,605 | (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