2008 Confidence Interval Detail
019/Bowie
019-905/New Boston ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 33,183,307 | 1.0252 | 32,367,642 | 10 | 782 | .031849103 |
| A | 37,492,039 | 0.9800 | 38,257,183 | 13 | 532 | .013637990 |
| A | 37,579,368 | 1.0281 | 36,552,250 | 10 | 373 | .004988044 |
| A | 39,634,107 | 0.9611 | 41,238,276 | 11 | 241 | .010809261 |
| D3 | 51,671,711 | 1.0225 | 50,534,681 | 20 | 1,556 | .336880199 |
| F1 | 12,613,804 | 0.9188 | 13,728,563 | 7 | 106 | .028463396 |
| F1 | 11,902,002 | 0.9011 | 13,208,303 | 7 | 29 | .028546516 |
| F1 | 19,983,921 | 1.0081 | 19,823,352 | 4 | 17 | .006378308 |
| L1 | 4,760,495 | 1.0450 | 4,555,498 | 8 | 95 | .006310349 |
| L1 | 4,510,541 | 1.0907 | 4,135,455 | 5 | 21 | .017821199 |
| L1 | 4,955,141 | 1.0171 | 4,871,833 | 4 | 8 | .001159658 |
| Random Totals: | 258,286,436 | 259,273,036 | 99 | 3,760 | ||
| Catg D1 Exception Values: | 5,455,666 | 5,806,290 | ||||
| Catg F1 Exception Values: | 10,045,968 | 10,061,958 | ||||
| Catg L1 Exception Values: | 9,450,590 | 9,888,295 | ||||
| Total Test Values (4): | 283,238,660 | 285,029,579 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 14,251,479 |
Confidence Interval Values (5)
| State Lower Limit: | 270,778,100 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 283,238,660 | (Within Confidence Interval) |
| State Upper Limit: | 299,281,058 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 295,610,671 | (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