2009 Confidence Interval Detail
034/Cass
034-901/Atlanta ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 51,619,959 | 0.8936 | 57,766,293 | 16 | 1,176 | .052586096 |
| A | 51,548,490 | 0.8952 | 57,583,210 | 15 | 701 | .043142572 |
| A | 52,147,730 | 0.9233 | 56,479,725 | 15 | 450 | .029275749 |
| A | 53,255,390 | 0.9690 | 54,959,123 | 16 | 290 | .014255894 |
| D3 | 93,109,528 | 1.0113 | 92,069,147 | 26 | 4,717 | .086741108 |
| F1 | 15,051,070 | 1.0537 | 14,284,018 | 8 | 167 | .069242387 |
| F1 | 14,698,200 | 0.8485 | 17,322,569 | 6 | 47 | .055242715 |
| F1 | 14,716,080 | 0.9803 | 15,011,813 | 5 | 20 | .064742766 |
| F1 | 13,889,770 | 0.9474 | 14,660,935 | 4 | 5 | .000384641 |
| L1 | 4,586,550 | 0.9811 | 4,674,906 | 10 | 126 | .004442935 |
| L1 | 3,793,980 | 1.0393 | 3,650,515 | 6 | 32 | .032865636 |
| L1 | 4,154,130 | 1.0634 | 3,906,460 | 5 | 15 | .012256967 |
| L1 | 5,588,830 | 0.9870 | 5,662,442 | 3 | 7 | .000140342 |
| Random Totals: | 378,159,707 | 398,031,156 | 135 | 7,753 | ||
| Catg J Exception Values: | 23,288,187 | 23,408,602 | ||||
| Catg D1 Exception Values: | 25,678,839 | 25,393,924 | ||||
| Catg L1 Exception Values: | 5,557,640 | 5,640,215 | ||||
| Total Test Values (4): | 432,684,373 | 452,473,897 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 22,623,695 |
Confidence Interval Values (5)
| State Lower Limit: | 429,850,202 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 432,684,373 | (Within Confidence Interval) |
| State Upper Limit: | 475,097,592 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 466,138,984 | (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