2007 Confidence Interval Detail
246/Williamson
246-905/Granger ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 11,085,422 | 0.9668 | 11,466,096 | 9 | 227 | .020136753 |
| A | 11,068,389 | 1.0293 | 10,753,317 | 9 | 145 | .016799471 |
| A | 11,106,170 | 0.9815 | 11,315,507 | 8 | 110 | .036761882 |
| A | 11,003,681 | 1.0151 | 10,839,997 | 7 | 56 | .011635401 |
| D3 | 33,833,501 | 0.9744 | 34,722,394 | 13 | 1,555 | .013585807 |
| F1 | 1,614,118 | 0.9478 | 1,703,015 | 6 | 25 | .002703440 |
| F1 | 1,566,344 | 1.0349 | 1,513,522 | 5 | 12 | .006179002 |
| F1 | 1,634,219 | 0.9775 | 1,671,835 | 4 | 7 | .003150587 |
| F1 | 1,392,437 | 1.1459 | 1,215,147 | 2 | 3 | .023269989 |
| Random Totals: | 84,304,281 | 85,200,830 | 63 | 2,140 | ||
| Catg J Exception Values: | 5,473,768 | 5,418,318 | ||||
| Catg D1 Exception Values: | 11,796,818 | 12,229,768 | ||||
| Total Test Values (4): | 101,574,867 | 102,848,916 |
Margin of Error
| Margin of Error Percent: | 5.0000002 |
|---|---|
| Margin of Error Value: | 5,142,446 |
Confidence Interval Values (5)
| State Lower Limit: | 97,706,470 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 101,574,867 | (Within Confidence Interval) |
| State Upper Limit: | 107,991,362 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 91,086,982 | (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