2011 Confidence Interval Detail
001/Anderson
001-908/Westwood ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 35,911,947 | 0.9703 | 37,011,179 | 12 | 685 | .013122752 |
| A | 35,930,070 | 0.9916 | 36,234,439 | 10 | 478 | .002160694 |
| A | 34,928,266 | 0.9460 | 36,922,057 | 10 | 381 | .010776350 |
| A | 38,919,313 | 1.0086 | 38,587,461 | 11 | 273 | .003537196 |
| D3 | 65,058,935 | 0.9772 | 66,576,888 | 16 | 2,222 | .054560955 |
| F1 | 5,142,907 | 0.7185 | 7,157,839 | 9 | 61 | .073399026 |
| F1 | 5,210,073 | 0.7763 | 6,711,417 | 8 | 28 | .057209107 |
| F1 | 5,951,488 | 0.8252 | 7,212,176 | 6 | 15 | .019745802 |
| F1 | 4,042,521 | 0.8688 | 4,652,994 | 4 | 5 | .047517412 |
| L1 | 7,682,661 | 1.1118 | 6,910,111 | 9 | 81 | .137375166 |
| L1 | 8,040,969 | 0.9673 | 8,312,797 | 5 | 13 | .237906359 |
| L1 | 4,553,671 | 1.3035 | 3,493,418 | 3 | 3 | .005578061 |
| Random Totals: | 251,372,821 | 259,782,776 | 103 | 4,245 | ||
| Catg D1 Exception Values: | 3,936,306 | 3,623,680 | ||||
| Catg L1 Exception Values: | 3,686,558 | 3,882,527 | ||||
| Total Test Values (4): | 258,995,685 | 267,288,983 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 13,364,449 |
Confidence Interval Values (5)
| State Lower Limit: | 253,924,534 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 258,995,685 | (Within Confidence Interval) |
| State Upper Limit: | 280,653,432 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 440,644,644 | (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