2009 Confidence Interval Detail
166/Milam
014-902/Bartlett ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,417,330 | 0.9538 | 1,485,982 | 15 | 46 | .029186787 |
| A | 1,189,150 | 0.9680 | 1,228,461 | 12 | 23 | .077558470 |
| A | 1,775,820 | 0.9874 | 1,798,481 | 16 | 22 | .030125149 |
| A | 1,470,090 | 0.9442 | 1,556,969 | 7 | 10 | .035293697 |
| D3 | 7,255,470 | 1.0394 | 6,980,441 | 20 | 383 | .015430002 |
| Random Totals: | 13,107,860 | 13,050,334 | 70 | 484 | ||
| Catg D1 Exception Values: | 1,091,550 | 971,143 | ||||
| Total Test Values (4): | 14,199,410 | 14,021,477 |
Margin of Error
| Margin of Error Percent: | 5.0000011 |
|---|---|
| Margin of Error Value: | 701,074 |
Confidence Interval Values (5)
| State Lower Limit: | 13,320,403 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 14,199,410 | (Within Confidence Interval) |
| State Upper Limit: | 14,722,551 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 13,209,609 | (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