2007 Confidence Interval Detail
025/Brown
025-909/Early ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 22,716,103 | 0.9417 | 24,122,441 | 22 | 437 | .031438380 |
| A | 22,669,997 | 1.0229 | 22,162,476 | 10 | 276 | .003587105 |
| A | 22,724,465 | 0.9446 | 24,057,236 | 12 | 208 | .013925489 |
| A | 22,554,344 | 1.0465 | 21,552,168 | 17 | 141 | .011919216 |
| D3 | 50,799,455 | 0.9868 | 51,478,978 | 21 | 1,717 | .050540295 |
| F1 | 7,930,896 | 1.0692 | 7,417,598 | 6 | 63 | .053977652 |
| F1 | 7,707,715 | 1.0169 | 7,579,619 | 8 | 28 | .028287563 |
| F1 | 8,151,799 | 0.9748 | 8,362,535 | 5 | 16 | .000729852 |
| F1 | 7,236,240 | 0.9859 | 7,339,730 | 5 | 7 | .008687533 |
| L1 | 4,718,672 | 0.9999 | 4,719,144 | 9 | 100 | .000514888 |
| L1 | 4,692,834 | 0.9829 | 4,774,478 | 8 | 29 | .000050173 |
| L1 | 5,109,889 | 0.9857 | 5,184,020 | 7 | 13 | .000435834 |
| Random Totals: | 187,012,409 | 188,750,423 | 130 | 3,035 | ||
| Catg D1 Exception Values: | 3,584,037 | 3,097,401 | ||||
| Catg F1 Exception Values: | 10,400,460 | 10,518,934 | ||||
| Catg L1 Exception Values: | 5,007,130 | 5,145,118 | ||||
| Total Test Values (4): | 206,004,036 | 207,511,876 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 10,375,594 |
Confidence Interval Values (5)
| State Lower Limit: | 197,136,282 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 206,004,036 | (Within Confidence Interval) |
| State Upper Limit: | 217,887,470 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 200,420,889 | (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