2007 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 | 33,520,879 | 0.8742 | 38,344,634 | 15 | 962 | .057156159 |
| A | 33,570,064 | 0.9233 | 36,358,783 | 15 | 543 | .023569002 |
| A | 33,505,424 | 0.9619 | 34,832,544 | 15 | 338 | .041832989 |
| A | 33,447,647 | 0.9205 | 36,336,390 | 15 | 179 | .028612660 |
| D3 | 83,529,048 | 1.0215 | 81,770,972 | 21 | 4,732 | .111853374 |
| F1 | 13,481,029 | 0.8501 | 15,858,168 | 10 | 234 | .083732100 |
| F1 | 13,580,253 | 0.8743 | 15,532,715 | 9 | 97 | .017834564 |
| F1 | 13,906,238 | 0.7798 | 17,833,083 | 8 | 40 | .077709957 |
| F1 | 12,949,740 | 0.8437 | 15,348,750 | 4 | 8 | .017624249 |
| L1 | 37,286,964 | 0.9902 | 37,655,993 | 21 | 716 | .004311246 |
| Random Totals: | 308,777,286 | 329,872,032 | 133 | 7,849 | ||
| Catg J Exception Values: | 19,101,604 | 18,993,383 | ||||
| Catg D1 Exception Values: | 18,942,008 | 17,208,263 | ||||
| Total Test Values (4): | 346,820,898 | 366,073,678 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 18,303,684 |
Confidence Interval Values (5)
| Local Test Value: | 346,820,898 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 347,769,994 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 384,377,362 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 371,810,039 | (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