2006 Confidence Interval Detail
057/Dallas
057-919/Sunnyvale ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 85,422,980 | 0.9651 | 88,512,051 | 9 | 399 | .057605537 |
| A | 85,663,739 | 0.9431 | 90,832,085 | 13 | 307 | .021455462 |
| A | 85,496,764 | 0.9948 | 85,943,671 | 17 | 250 | .003537381 |
| A | 85,012,616 | 0.9716 | 87,497,546 | 11 | 176 | .010190543 |
| C | 8,331,669 | 0.9691 | 8,597,326 | 7 | 195 | .007782036 |
| C | 4,072,557 | 0.9799 | 4,156,094 | 7 | 61 | .022356723 |
| C | 6,360,800 | 0.9849 | 6,458,321 | 7 | 51 | .043537677 |
| C | 6,023,070 | 1.0383 | 5,800,896 | 7 | 10 | .004502840 |
| F1 | 8,160,022 | 0.9635 | 8,469,146 | 5 | 25 | .015424789 |
| F1 | 8,140,444 | 0.9246 | 8,804,287 | 4 | 10 | .017992319 |
| F1 | 7,421,587 | 0.6727 | 11,032,536 | 3 | 4 | .063864612 |
| L1 | 7,669,955 | 1.0860 | 7,062,574 | 7 | 23 | .011139387 |
| L1 | 15,461,134 | 0.9847 | 15,701,365 | 3 | 8 | .001200596 |
| Random Totals: | 413,237,337 | 428,867,898 | 100 | 1,519 | ||
| Catg D1 Exception Values: | 599,268 | 667,355 | ||||
| Catg F1 Exception Values: | 27,050,140 | 28,281,911 | ||||
| Catg L1 Exception Values: | 72,775,790 | 72,058,936 | ||||
| Total Test Values (4): | 513,662,535 | 529,876,100 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 26,493,805 |
Confidence Interval Values (5)
| State Lower Limit: | 503,382,295 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 513,662,535 | (Within Confidence Interval) |
| State Upper Limit: | 556,369,905 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 522,769,214 | (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