2007 Confidence Interval Detail
043/Collin
043-911/Princeton ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 83,231,197 | 0.9790 | 85,016,544 | 25 | 1,148 | .019808935 |
| A | 83,097,502 | 0.9864 | 84,243,210 | 24 | 745 | .010235431 |
| A | 83,323,701 | 0.9929 | 83,919,530 | 25 | 537 | .002677510 |
| A | 82,990,115 | 1.0025 | 82,783,157 | 25 | 393 | .001043014 |
| D3 | 64,040,780 | 0.8425 | 76,012,795 | 12 | 1,393 | .327177399 |
| Random Totals: | 396,683,295 | 411,975,236 | 111 | 4,216 | ||
| Catg D1 Exception Values: | 2,374,325 | 2,272,027 | ||||
| Total Test Values (4): | 399,057,620 | 414,247,263 |
Margin of Error
| Margin of Error Percent: | 6.1527267 |
|---|---|
| Margin of Error Value: | 25,487,502 |
Confidence Interval Values (5)
| State Lower Limit: | 388,759,761 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 399,057,620 | (Within Confidence Interval) |
| State Upper Limit: | 439,734,765 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 473,273,525 | (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