2009 Confidence Interval Detail
043/Collin
043-917/Blue Ridge ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 11,190,741 | 0.9489 | 11,793,383 | 16 | 258 | .024958064 |
| A | 9,782,184 | 0.8674 | 11,277,593 | 11 | 139 | .016519308 |
| A | 10,065,904 | 0.9023 | 11,155,828 | 14 | 106 | .014125648 |
| A | 10,174,782 | 0.9155 | 11,113,907 | 8 | 67 | .015407542 |
| D3 | 68,725,672 | 0.9809 | 70,063,892 | 20 | 2,482 | .014834148 |
| Random Totals: | 109,939,283 | 115,404,603 | 69 | 3,052 | ||
| Catg J Exception Values: | 7,862,151 | 8,170,745 | ||||
| Catg D1 Exception Values: | 4,292,391 | 3,908,994 | ||||
| Total Test Values (4): | 122,093,825 | 127,484,342 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 6,374,217 |
Confidence Interval Values (5)
| State Lower Limit: | 121,110,125 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 122,093,825 | (Within Confidence Interval) |
| State Upper Limit: | 133,858,559 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 119,687,663 | (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