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Collin County
2020 Confidence Interval Detail
Collin County
043-902/Anna ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 282,175,889 | 0.9515 | 296,559,001 | 73 | 1,502 | 0.003126362 |
| A | 313,887,299 | 0.9821 | 319,608,287 | 74 | 1,449 | 0.001167410 |
| A | 333,231,116 | 1.0100 | 329,931,798 | 75 | 1,347 | 0.002359240 |
| A | 362,763,632 | 1.0135 | 357,931,556 | 74 | 1,092 | 0.003498386 |
| E | 189,917,895 | 0.9883 | 192,166,240 | 12 | 746 | 0.009746709 |
| F1 | 35,304,806 | 0.9075 | 38,903,367 | 8 | 55 | 0.030032211 |
| F1 | 40,162,803 | 1.0762 | 37,319,088 | 6 | 19 | 0.048983792 |
| F1 | 41,343,804 | 1.0034 | 41,203,711 | 5 | 10 | 0.025513038 |
| Random Totals: | 1,598,787,244 | 1,613,623,048 | 327 | 6,220 | ||
| CATG D1 EXCEPTION VALUES: | 3,593,372 | 2,560,358 | ||||
| CATG F1 EXCEPTION VALUES: | 14,945,112 | 17,217,871 | ||||
| Total Test Values | 1,617,325,728 | 1,633,401,277 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 81,670,064 |
Confidence Interval Values(5)
| Local Test Value: | 1,617,325,728 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 1,551,731,213 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 1,715,071,341 | (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