2006 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 | 10,573,495 | 0.9778 | 10,813,556 | 16 | 218 | .020936409 |
| A | 10,569,428 | 0.9853 | 10,727,117 | 16 | 141 | .010154764 |
| A | 10,520,504 | 1.0053 | 10,465,039 | 16 | 109 | .005315678 |
| A | 10,526,343 | 1.0153 | 10,367,717 | 16 | 63 | .004938669 |
| D3 | 32,285,826 | 0.9842 | 32,804,131 | 26 | 1,539 | .004742891 |
| Random Totals: | 74,475,596 | 75,177,560 | 90 | 2,070 | ||
| Catg J Exception Values: | 5,558,336 | 5,243,000 | ||||
| Catg D1 Exception Values: | 11,709,473 | 12,046,077 | ||||
| Total Test Values (4): | 91,743,405 | 92,466,637 |
Margin of Error
| Margin of Error Percent: | 5.0000002 |
|---|---|
| Margin of Error Value: | 4,623,332 |
Confidence Interval Values (5)
| State Lower Limit: | 87,843,305 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 91,743,405 | (Within Confidence Interval) |
| State Upper Limit: | 97,089,969 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 86,281,194 | (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