2010 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 | 1,386,964,797 | 0.9572 | 1,448,981,192 | 60 | 9,994 | .004631884 |
| A | 1,304,451,248 | 0.9769 | 1,335,296,599 | 60 | 7,566 | .004646836 |
| A | 1,342,850,257 | 0.9636 | 1,393,576,439 | 59 | 6,197 | .003797546 |
| A | 1,268,662,086 | 0.9690 | 1,309,248,799 | 61 | 3,819 | .003219913 |
| B | 89,192,336 | 1.0084 | 88,449,361 | 10 | 312 | .001073721 |
| B | 103,611,618 | 0.9348 | 110,838,273 | 4 | 7 | .004423938 |
| B | 61,398,659 | 0.9854 | 62,308,361 | 2 | 3 | .000010835 |
| B | 47,601,757 | 0.9826 | 48,444,695 | 2 | 2 | .007561512 |
| F1 | 254,845,763 | 0.9865 | 258,333,262 | 10 | 344 | .000716757 |
| F1 | 237,135,585 | 0.9895 | 239,651,930 | 9 | 122 | .000757735 |
| F1 | 237,137,826 | 0.9866 | 240,358,632 | 8 | 45 | .000117819 |
| F1 | 220,552,735 | 0.9851 | 223,888,676 | 4 | 8 | .002369371 |
| L1 | 83,737,396 | 0.9890 | 84,668,752 | 11 | 514 | .008196862 |
| L1 | 67,805,791 | 1.0113 | 67,048,147 | 9 | 53 | .008661008 |
| L1 | 149,767,724 | 1.1002 | 136,127,726 | 7 | 16 | .062469413 |
| Random Totals: | 6,855,715,578 | 7,047,220,844 | 316 | 29,002 | ||
| Catg J Exception Values: | 40,612,580 | 38,607,223 | ||||
| Catg D1 Exception Values: | 1,261,999 | 1,112,460 | ||||
| Total Test Values (4): | 6,897,590,157 | 7,086,940,527 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 354,347,026 |
Confidence Interval Values (5)
| State Lower Limit: | 6,732,593,501 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 6,897,590,157 | (Within Confidence Interval) |
| State Upper Limit: | 7,441,287,553 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 7,326,728,528 | (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