2010 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 | 10,286,455 | 0.8294 | 12,402,285 | 12 | 242 | .059222108 |
| A | 8,968,339 | 0.9216 | 9,731,271 | 10 | 131 | .046949566 |
| A | 10,661,614 | 0.9850 | 10,823,974 | 11 | 114 | .009412640 |
| A | 8,877,575 | 0.9090 | 9,766,309 | 11 | 57 | .011757229 |
| D3 | 73,173,004 | 0.9814 | 74,559,817 | 21 | 2,496 | .067625996 |
| Random Totals: | 111,966,987 | 117,283,656 | 65 | 3,040 | ||
| Catg J Exception Values: | 7,680,730 | 7,803,912 | ||||
| Catg D1 Exception Values: | 4,283,296 | 3,938,811 | ||||
| Total Test Values (4): | 123,931,013 | 129,026,379 |
Margin of Error
| Margin of Error Percent: | 6.7668310 |
|---|---|
| Margin of Error Value: | 8,730,997 |
Confidence Interval Values (5)
| State Lower Limit: | 120,295,382 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 123,931,013 | (Within Confidence Interval) |
| State Upper Limit: | 137,757,376 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 120,331,581 | (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