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Collin County
2020 Confidence Interval Detail
Collin County
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 | 27,599,974 | 0.9001 | 30,663,231 | 10 | 280 | 0.023788927 |
| A | 28,912,364 | 0.9995 | 28,926,827 | 10 | 170 | 0.002845780 |
| A | 28,439,311 | 0.9518 | 29,879,503 | 10 | 117 | 0.005027268 |
| A | 40,619,313 | 0.9599 | 42,316,192 | 12 | 101 | 0.002376219 |
| E | 190,231,926 | 0.9651 | 197,111,104 | 21 | 1,034 | 0.011623038 |
| Random Totals: | 315,802,888 | 328,896,857 | 63 | 1,702 | ||
| CATG D1 EXCEPTION VALUES: | 4,092,553 | 2,589,364 | ||||
| CATG J EXCEPTION VALUES: | 10,516,338 | 11,094,246 | ||||
| Total Test Values | 330,411,779 | 342,580,467 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 17,129,023 |
Confidence Interval Values(5)
| Local Test Value: | 330,411,779 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 325,451,444 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 359,709,490 | (State Test Value plus Margin of Error Percent) |
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, D2, E, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values