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Grayson County
2024 Confidence Interval Detail
Grayson County
091-907/Tioga ISD
Category Summary
| (1) Category |
(1) Stratum Number |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|---|
| A | 2 | 42,104,915 | 0.9703 | 43,393,708 | 14 | 179 | 0.009246804 |
| A | 3 | 42,013,386 | 0.9990 | 42,055,441 | 13 | 126 | 0.005456700 |
| A | 4 | 56,332,900 | 1.0036 | 56,130,829 | 12 | 132 | 0.003049232 |
| A | 5 | 22,276,152 | 1.0069 | 22,123,500 | 12 | 30 | 0.004902646 |
| E | 0 | 84,215,459 | 0.9714 | 86,694,934 | 21 | 241 | 0.017976844 |
| Random Totals: | 246,942,812 | 250,398,412 | 72 | 708 | |||
| CATG D1 EXCEPTION VALUES: | 1,157,384 | 1,171,364 | |||||
| Total Test Values | 248,100,196 | 251,569,776 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 12,578,489 |
Confidence Interval Values(5)
| Local Test Value: | 248,100,196 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 238,991,287 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 264,148,265 | (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