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Collin County
2023 Confidence Interval Detail
Collin County
043-908/Melissa ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 373,793,400 | 0.9353 | 399,650,807 | 28 | 1,044 | 0.037456451 |
| A | 636,903,969 | 0.9825 | 648,248,315 | 66 | 1,506 | 0.003167556 |
| A | 970,393,961 | 0.9710 | 999,375,861 | 55 | 1,969 | 0.004614256 |
| A | 1,714,778,234 | 0.9729 | 1,762,543,153 | 60 | 2,655 | 0.012754896 |
| Random Totals: | 3,695,869,564 | 3,809,818,136 | 209 | 7,174 | ||
| CATG D1 EXCEPTION VALUES: | 1,172,658 | 876,576 | ||||
| Total Test Values | 3,697,042,222 | 3,810,694,712 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 190,534,736 |
Confidence Interval Values(5)
| Local Test Value: | 3,697,042,222 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 3,620,159,976 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 4,001,229,448 | (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