2008 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 | 29,172,051 | 0.9984 | 29,218,801 | 10 | 416 | .002645230 |
| A | 26,251,931 | 0.9774 | 26,858,943 | 19 | 231 | .006723860 |
| A | 37,416,112 | 0.9991 | 37,449,817 | 31 | 244 | .005358030 |
| A | 34,569,266 | 0.9965 | 34,690,683 | 9 | 93 | .000248910 |
| D3 | 46,674,178 | 0.9581 | 48,715,351 | 13 | 1,317 | .006980688 |
| Random Totals: | 174,083,538 | 176,933,595 | 82 | 2,301 | ||
| Catg J Exception Values: | 12,666,610 | 12,740,191 | ||||
| Catg D1 Exception Values: | 5,824,718 | 4,983,211 | ||||
| Total Test Values (4): | 192,574,866 | 194,656,997 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 9,732,850 |
Confidence Interval Values (5)
| State Lower Limit: | 184,924,147 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 192,574,866 | (Within Confidence Interval) |
| State Upper Limit: | 204,389,847 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 193,627,561 | (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