2008 Confidence Interval Detail
025/Brown
025-904/Blanket ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,719,810 | 0.9838 | 1,748,130 | 14 | 82 | .006117781 |
| A | 1,536,690 | 0.9501 | 1,617,398 | 13 | 38 | .005133649 |
| A | 1,719,050 | 0.9198 | 1,868,939 | 14 | 30 | .027550423 |
| A | 2,037,420 | 0.9598 | 2,122,755 | 11 | 21 | .002217759 |
| D3 | 20,105,233 | 0.9512 | 21,136,704 | 32 | 984 | .024978050 |
| L1 | 576,560 | 0.9835 | 586,233 | 9 | 29 | .002692255 |
| Random Totals: | 27,694,763 | 29,080,159 | 93 | 1,184 | ||
| Catg J Exception Values: | 2,719,090 | 2,692,863 | ||||
| Catg D1 Exception Values: | 3,126,082 | 2,988,068 | ||||
| Total Test Values (4): | 33,539,935 | 34,761,090 |
Margin of Error
| Margin of Error Percent: | 5.0000014 |
|---|---|
| Margin of Error Value: | 1,738,055 |
Confidence Interval Values (5)
| State Lower Limit: | 33,023,035 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 33,539,935 | (Within Confidence Interval) |
| State Upper Limit: | 36,499,145 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 28,846,929 | (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