2008 Confidence Interval Detail
210/Shelby
210-901/Center ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 32,689,526 | 0.9574 | 34,144,063 | 15 | 945 | .023126067 |
| A | 32,546,035 | 0.9645 | 33,743,945 | 15 | 520 | .016900738 |
| A | 33,916,538 | 1.0194 | 33,271,079 | 21 | 342 | .021826415 |
| A | 37,990,542 | 1.0789 | 35,212,292 | 15 | 194 | .004628391 |
| D3 | 86,805,973 | 0.9577 | 90,640,047 | 22 | 3,898 | .028725932 |
| F1 | 14,026,512 | 1.0232 | 13,708,475 | 11 | 249 | .004406124 |
| F1 | 15,567,166 | 0.8966 | 17,362,443 | 12 | 113 | .026701035 |
| F1 | 17,573,810 | 0.9390 | 18,715,453 | 10 | 51 | .008809324 |
| F1 | 17,932,100 | 0.9777 | 18,341,107 | 7 | 11 | .004572729 |
| L1 | 9,039,215 | 0.9855 | 9,172,212 | 7 | 220 | .008516441 |
| L1 | 9,622,866 | 1.0222 | 9,413,878 | 6 | 45 | .002881940 |
| L1 | 11,031,403 | 1.0118 | 10,902,751 | 5 | 18 | .001468436 |
| Random Totals: | 318,741,686 | 324,627,745 | 146 | 6,606 | ||
| Catg J Exception Values: | 18,538,325 | 18,262,696 | ||||
| Catg D1 Exception Values: | 18,525,922 | 18,780,541 | ||||
| Catg L1 Exception Values: | 8,255,428 | 7,615,356 | ||||
| Total Test Values (4): | 364,061,361 | 369,286,338 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 18,464,317 |
Confidence Interval Values (5)
| State Lower Limit: | 350,822,021 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 364,061,361 | (Within Confidence Interval) |
| State Upper Limit: | 387,750,655 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 486,075,962 | (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