2007 Confidence Interval Detail
246/Williamson
246-913/Leander ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 2,013,915,679 | 0.9721 | 2,071,716,571 | 25 | 12,939 | .004590451 |
| A | 2,014,072,531 | 1.0136 | 1,987,048,669 | 24 | 9,061 | .004773484 |
| A | 2,013,950,720 | 1.0056 | 2,002,735,402 | 25 | 5,910 | .002948618 |
| A | 2,013,704,129 | 0.9617 | 2,093,900,519 | 25 | 2,952 | .007379463 |
| B | 160,393,241 | 0.9912 | 161,817,233 | 7 | 133 | .000077405 |
| B | 176,224,831 | 1.0145 | 173,706,093 | 3 | 7 | .003004196 |
| B | 180,695,226 | 0.9279 | 194,735,668 | 2 | 5 | .006972482 |
| C | 149,049,713 | 0.8494 | 175,476,469 | 7 | 2,979 | .043079396 |
| C | 124,450,765 | 0.9755 | 127,576,386 | 8 | 926 | .027035962 |
| C | 136,578,293 | 0.9751 | 140,065,935 | 9 | 318 | .037380978 |
| C | 136,579,211 | 0.9954 | 137,210,379 | 8 | 81 | .000191058 |
| F1 | 238,753,825 | 0.9291 | 256,973,227 | 8 | 322 | .006988005 |
| F1 | 238,843,359 | 1.0111 | 236,221,303 | 8 | 112 | .003297223 |
| F1 | 242,782,829 | 1.0099 | 240,402,841 | 6 | 40 | .011464925 |
| F1 | 230,270,265 | 1.0102 | 227,945,224 | 6 | 14 | .004504032 |
| Random Totals: | 10,070,264,617 | 10,227,531,919 | 171 | 35,799 | ||
| Catg D1 Exception Values: | 4,352,151 | 3,883,921 | ||||
| Catg B Exception Values: | 153,304,638 | 154,450,481 | ||||
| Total Test Values (4): | 10,227,921,406 | 10,385,866,321 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 519,293,316 |
Confidence Interval Values (5)
| State Lower Limit: | 9,866,573,005 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 10,227,921,406 | (Within Confidence Interval) |
| State Upper Limit: | 10,905,159,637 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 11,049,255,518 | (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