2007 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 | 28,551,383 | 0.9422 | 30,302,890 | 9 | 402 | .019568948 |
| A | 28,364,427 | 0.9870 | 28,738,021 | 14 | 246 | .001767340 |
| A | 28,619,917 | 0.9786 | 29,245,777 | 19 | 181 | .001223833 |
| A | 28,294,104 | 1.0092 | 28,036,171 | 8 | 75 | .002796457 |
| D3 | 41,688,046 | 0.9495 | 43,905,262 | 18 | 1,325 | .014683093 |
| Random Totals: | 155,517,877 | 160,228,121 | 68 | 2,229 | ||
| Catg J Exception Values: | 11,343,534 | 11,272,989 | ||||
| Catg D1 Exception Values: | 5,732,004 | 5,165,847 | ||||
| Total Test Values (4): | 172,593,415 | 176,666,957 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 8,833,348 |
Confidence Interval Values (5)
| State Lower Limit: | 167,833,609 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 172,593,415 | (Within Confidence Interval) |
| State Upper Limit: | 185,500,305 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 168,834,172 | (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