2009 Confidence Interval Detail
166/Milam
166-904/Rockdale ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 37,737,081 | 0.9536 | 39,573,281 | 17 | 1,037 | .052883816 |
| A | 41,772,651 | 0.9916 | 42,126,514 | 15 | 565 | .075228048 |
| A | 39,435,900 | 1.0826 | 36,427,028 | 15 | 326 | .013171014 |
| A | 38,010,480 | 1.1604 | 32,756,360 | 16 | 197 | .015404716 |
| D3 | 85,181,233 | 0.9265 | 91,938,730 | 20 | 3,731 | .030650436 |
| F1 | 9,716,523 | 1.0155 | 9,568,216 | 9 | 164 | .014346798 |
| F1 | 9,834,620 | 1.0400 | 9,456,365 | 10 | 50 | .064234590 |
| F1 | 11,475,440 | 0.8065 | 14,228,692 | 6 | 20 | .016858200 |
| Random Totals: | 273,163,928 | 276,075,186 | 108 | 6,090 | ||
| Catg J Exception Values: | 35,923,900 | 35,491,795 | ||||
| Catg D1 Exception Values: | 12,862,843 | 11,656,376 | ||||
| Catg F1 Exception Values: | 8,531,020 | 8,796,030 | ||||
| Total Test Values (4): | 330,481,691 | 332,019,387 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 16,600,969 |
Confidence Interval Values (5)
| State Lower Limit: | 315,418,418 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 330,481,691 | (Within Confidence Interval) |
| State Upper Limit: | 348,620,356 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 991,925,078 | (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