2009 Confidence Interval Detail
014/Bell
014-901/Academy ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 32,092,950 | 0.9690 | 33,119,659 | 7 | 431 | .000562351 |
| A | 37,526,805 | 0.9751 | 38,485,084 | 23 | 312 | .002888400 |
| A | 38,552,481 | 1.0093 | 38,197,247 | 16 | 232 | .002376701 |
| A | 34,936,231 | 1.0606 | 32,940,063 | 7 | 89 | .004306426 |
| D3 | 50,381,323 | 1.0061 | 50,075,860 | 15 | 1,349 | .020785135 |
| Random Totals: | 193,489,790 | 192,817,913 | 68 | 2,413 | ||
| Catg J Exception Values: | 15,053,616 | 15,020,944 | ||||
| Catg D1 Exception Values: | 5,879,246 | 5,115,443 | ||||
| Total Test Values (4): | 214,422,652 | 212,954,300 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 10,647,715 |
Confidence Interval Values (5)
| State Lower Limit: | 202,306,585 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 214,422,652 | (Within Confidence Interval) |
| State Upper Limit: | 223,602,015 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 213,597,161 | (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