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Grayson County
2020 Confidence Interval Detail
Grayson County
091-913/Pottsboro ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 183,663,613 | 0.9472 | 193,901,618 | 56 | 1,614 | 0.016373810 |
| A | 212,415,413 | 0.9568 | 222,006,075 | 44 | 1,002 | 0.008699916 |
| A | 213,608,318 | 0.9798 | 218,012,164 | 29 | 684 | 0.018766618 |
| A | 210,615,603 | 0.9514 | 221,374,399 | 21 | 377 | 0.017256087 |
| E | 125,315,924 | 0.9763 | 128,358,009 | 16 | 563 | 0.005713301 |
| F1 | 21,457,763 | 0.8474 | 25,321,882 | 10 | 121 | 0.024680118 |
| F1 | 19,396,145 | 0.8467 | 22,907,931 | 8 | 35 | 0.045536809 |
| F1 | 20,920,588 | 0.8412 | 24,869,933 | 6 | 13 | 0.014339355 |
| F1 | 26,602,824 | 0.8424 | 31,579,801 | 3 | 5 | 0.075011707 |
| Random Totals: | 1,033,996,191 | 1,088,331,812 | 193 | 4,414 | ||
| CATG D1 EXCEPTION VALUES: | 1,968,285 | 986,959 | ||||
| Total Test Values | 1,035,964,476 | 1,089,318,771 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 54,465,939 |
Confidence Interval Values(5)
| Local Test Value: | 1,035,964,476 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 1,034,852,832 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 1,143,784,710 | (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