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Collin County
2020 Confidence Interval Detail
Collin County
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 | 286,460,993 | 0.9670 | 296,236,808 | 67 | 1,951 | 0.006630013 |
| A | 378,500,807 | 0.9825 | 385,242,552 | 74 | 1,775 | 0.001162583 |
| A | 357,681,848 | 0.9855 | 362,944,544 | 76 | 1,503 | 0.004154352 |
| A | 347,594,141 | 0.9982 | 348,220,939 | 73 | 1,100 | 0.003716068 |
| E | 159,021,635 | 1.0328 | 153,971,374 | 20 | 674 | 0.083284618 |
| F1 | 28,608,670 | 0.8378 | 34,147,374 | 9 | 54 | 0.118964440 |
| F1 | 31,377,644 | 0.8312 | 37,749,812 | 7 | 24 | 0.115742683 |
| F1 | 29,477,463 | 1.0572 | 27,882,579 | 5 | 11 | 0.021265339 |
| F1 | 20,340,292 | 0.8433 | 24,120,373 | 2 | 3 | 0.017262427 |
| Random Totals: | 1,639,063,493 | 1,670,516,355 | 333 | 7,095 | ||
| CATG D1 EXCEPTION VALUES: | 2,006,503 | 1,526,171 | ||||
| Total Test Values | 1,641,069,996 | 1,672,042,526 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 83,602,126 |
Confidence Interval Values(5)
| Local Test Value: | 1,641,069,996 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 1,588,440,400 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 1,755,644,652 | (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