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091/Grayson
2018 Confidence Interval Detail
091/Grayson
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 | 150,313,131 | 0.9394 | 160,009,720 | 68 | 1,541 | .032345985 |
| A | 155,673,710 | 0.9553 | 162,957,929 | 37 | 863 | .030114426 |
| A | 187,477,200 | 0.9667 | 193,935,244 | 33 | 684 | .002954130 |
| A | 184,718,163 | 0.9807 | 188,353,383 | 16 | 371 | .003563245 |
| E | 109,428,410 | 0.9824 | 111,388,854 | 10 | 671 | .006422234 |
| F1 | 20,898,035 | 0.7670 | 27,246,460 | 9 | 121 | .119184933 |
| F1 | 19,578,688 | 0.8335 | 23,489,728 | 8 | 32 | .054876768 |
| F1 | 20,732,417 | 1.0060 | 20,608,764 | 5 | 10 | .160595268 |
| F1 | 17,312,658 | 1.0117 | 17,112,442 | 2 | 3 | .000104735 |
| Random Totals: | 866,132,412 | 905,102,524 | 188 | 4,296 | ||
| Catg D1 Exception Values: | 2,130,661 | 1,389,161 | ||||
| Total Test Values (4): | 868,263,073 | 906,491,685 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 45,324,584 |
Confidence Interval Values (5)
| State Lower Limit: | 861,167,101 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 868,263,073 | (Within Confidence Interval) |
| State Upper Limit: | 951,816,269 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 908,564,668 | (See ISD Summary Worksheet) |
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
(6) Includes local value of unstudied property categories and sub-categories