2011 Confidence Interval Detail
220/Tarrant
220-917/Castleberry ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 89,632,059 | 0.9986 | 89,757,720 | 15 | 1,893 | .018753805 |
| A | 90,009,509 | 0.8877 | 101,396,315 | 15 | 1,420 | .063745293 |
| A | 85,275,600 | 0.9661 | 88,267,881 | 15 | 1,041 | .032084872 |
| A | 79,756,063 | 0.9908 | 80,496,632 | 15 | 681 | .039792779 |
| F1 | 16,354,783 | 0.9595 | 17,045,110 | 9 | 125 | .034567859 |
| F1 | 17,901,891 | 0.8674 | 20,638,565 | 8 | 59 | .057923033 |
| F1 | 13,910,270 | 0.9110 | 15,269,232 | 7 | 22 | .128681570 |
| F1 | 17,880,488 | 0.9581 | 18,662,444 | 5 | 13 | .028850852 |
| Random Totals: | 410,720,663 | 431,533,899 | 89 | 5,254 | ||
| Catg D1 Exception Values: | 9,466 | 9,284 | ||||
| Total Test Values (4): | 410,730,129 | 431,543,183 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 21,577,159 |
Confidence Interval Values (5)
| State Lower Limit: | 409,966,024 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 410,730,129 | (Within Confidence Interval) |
| State Upper Limit: | 453,120,342 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 440,434,425 | (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