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Grayson County
2020 Confidence Interval Detail
Grayson County
091-905/Howe ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 66,026,301 | 0.9539 | 69,217,215 | 25 | 538 | 0.027638089 |
| A | 65,581,678 | 0.9555 | 68,635,979 | 14 | 339 | 0.006828449 |
| A | 72,266,365 | 0.9621 | 75,113,154 | 10 | 287 | 0.009289964 |
| A | 75,405,417 | 0.9377 | 80,415,290 | 11 | 206 | 0.004723146 |
| E | 67,078,881 | 1.0946 | 61,281,638 | 10 | 316 | 0.034000156 |
| F1 | 3,893,972 | 0.9272 | 4,199,711 | 10 | 54 | 0.016674140 |
| F1 | 8,278,412 | 0.9510 | 8,704,955 | 9 | 30 | 0.017888287 |
| F1 | 3,233,464 | 1.0141 | 3,188,506 | 3 | 4 | 0.001829486 |
| Random Totals: | 361,764,490 | 370,756,448 | 92 | 1,774 | ||
| CATG D1 EXCEPTION VALUES: | 5,200,941 | 3,207,815 | ||||
| CATG F1 EXCEPTION VALUES: | 6,921,253 | 8,459,026 | ||||
| CATG J EXCEPTION VALUES: | 22,567,742 | 24,834,962 | ||||
| Total Test Values | 396,454,426 | 407,258,251 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 20,362,913 |
Confidence Interval Values(5)
| Local Test Value: | 396,454,426 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 386,895,338 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 427,621,164 | (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