2010 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 | 105,789,297 | 0.9520 | 111,123,211 | 30 | 1,583 | .015316447 |
| A | 112,568,074 | 1.0095 | 111,508,741 | 22 | 848 | .001212162 |
| A | 116,954,313 | 0.9743 | 120,039,324 | 16 | 566 | .015429438 |
| A | 112,667,278 | 1.0032 | 112,307,893 | 10 | 284 | .000391877 |
| D3 | 75,014,739 | 1.0238 | 73,270,892 | 20 | 1,709 | .009930687 |
| F1 | 15,463,669 | 0.9839 | 15,716,708 | 9 | 106 | .115379604 |
| F1 | 15,100,759 | 0.8070 | 18,712,217 | 7 | 24 | .077363852 |
| F1 | 11,321,343 | 1.0613 | 10,667,430 | 3 | 5 | .002939965 |
| G1 | 14,671,627 | 1.0890 | 13,472,568 | 7 | 29 | .019397974 |
| G1 | 14,701,057 | 1.0953 | 13,421,946 | 7 | 14 | .008791716 |
| G1 | 15,524,006 | 1.0340 | 15,013,545 | 4 | 8 | .001197476 |
| Random Totals: | 609,776,162 | 615,254,475 | 135 | 5,176 | ||
| Catg J Exception Values: | 13,767,917 | 14,872,558 | ||||
| Catg D1 Exception Values: | 2,979,624 | 2,128,397 | ||||
| Catg F1 Exception Values: | 7,847,141 | 7,687,236 | ||||
| Catg G1 Exception Values: | 12,079,339 | 12,058,770 | ||||
| Total Test Values (4): | 646,450,183 | 652,001,436 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 32,600,072 |
Confidence Interval Values (5)
| State Lower Limit: | 619,401,364 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 646,450,183 | (Within Confidence Interval) |
| State Upper Limit: | 684,601,508 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 658,012,798 | (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, D3, 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